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Finding the Fourth Proportional to 292,061.80, 402,889.04 and 201,462.59

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Solution

The fourth proportional to 292,061.80, 402,889.04 and 201,462.59 is: 277,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,061.80 : 402,889.04 = 201,462.59 : x
  2. Step 2: Convert to fraction form
    292,061.80/402,889.04 = 201,462.59/x
  3. Step 3: Cross multiply
    292,061.80x = 402,889.04 × 201,462.59
  4. Step 4: Simplify right side
    292,061.80x = 81,167,070,236.41
  5. Step 5: Solve for x
    x = 81,167,070,236.41/292,061.80
  6. Step 6: Final answer
    x = 277,910.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.