Home / 402,929.64-556,061.76-233,130.96

Finding the Fourth Proportional to 402,929.64, 556,061.76 and 233,130.96

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Solution

The fourth proportional to 402,929.64, 556,061.76 and 233,130.96 is: 321,731.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,929.64 : 556,061.76 = 233,130.96 : x
  2. Step 2: Convert to fraction form
    402,929.64/556,061.76 = 233,130.96/x
  3. Step 3: Cross multiply
    402,929.64x = 556,061.76 × 233,130.96
  4. Step 4: Simplify right side
    402,929.64x = 129,635,211,928.09
  5. Step 5: Solve for x
    x = 129,635,211,928.09/402,929.64
  6. Step 6: Final answer
    x = 321,731.64

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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.