Home / 292,117.40-438,176.10-166,146.20

Finding the Fourth Proportional to 292,117.40, 438,176.10 and 166,146.20

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Solution

The fourth proportional to 292,117.40, 438,176.10 and 166,146.20 is: 249,219.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,117.40 : 438,176.10 = 166,146.20 : x
  2. Step 2: Convert to fraction form
    292,117.40/438,176.10 = 166,146.20/x
  3. Step 3: Cross multiply
    292,117.40x = 438,176.10 × 166,146.20
  4. Step 4: Simplify right side
    292,117.40x = 72,801,293,945.82
  5. Step 5: Solve for x
    x = 72,801,293,945.82/292,117.40
  6. Step 6: Final answer
    x = 249,219.30

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.