Home / 284,103.32-392,051.04-156,777.20

Finding the Fourth Proportional to 284,103.32, 392,051.04 and 156,777.20

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Solution

The fourth proportional to 284,103.32, 392,051.04 and 156,777.20 is: 216,346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,103.32 : 392,051.04 = 156,777.20 : x
  2. Step 2: Convert to fraction form
    284,103.32/392,051.04 = 156,777.20/x
  3. Step 3: Cross multiply
    284,103.32x = 392,051.04 × 156,777.20
  4. Step 4: Simplify right side
    284,103.32x = 61,464,664,308.29
  5. Step 5: Solve for x
    x = 61,464,664,308.29/284,103.32
  6. Step 6: Final answer
    x = 216,346.17

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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.