Home / 292,287.15-438,433.76-102,752.82

Finding the Fourth Proportional to 292,287.15, 438,433.76 and 102,752.82

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Solution

The fourth proportional to 292,287.15, 438,433.76 and 102,752.82 is: 154,130.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,287.15 : 438,433.76 = 102,752.82 : x
  2. Step 2: Convert to fraction form
    292,287.15/438,433.76 = 102,752.82/x
  3. Step 3: Cross multiply
    292,287.15x = 438,433.76 × 102,752.82
  4. Step 4: Simplify right side
    292,287.15x = 45,050,305,480.09
  5. Step 5: Solve for x
    x = 45,050,305,480.09/292,287.15
  6. Step 6: Final answer
    x = 154,130.30

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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.