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Finding the Fourth Proportional to 555,332.69, 833,030.19 and 155,942.32

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Solution

The fourth proportional to 555,332.69, 833,030.19 and 155,942.32 is: 233,922.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,332.69 : 833,030.19 = 155,942.32 : x
  2. Step 2: Convert to fraction form
    555,332.69/833,030.19 = 155,942.32/x
  3. Step 3: Cross multiply
    555,332.69x = 833,030.19 × 155,942.32
  4. Step 4: Simplify right side
    555,332.69x = 129,904,659,938.00
  5. Step 5: Solve for x
    x = 129,904,659,938.00/555,332.69
  6. Step 6: Final answer
    x = 233,922.23

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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.