Home / 242,780.66-364,318.61-102,539.28

Finding the Fourth Proportional to 242,780.66, 364,318.61 and 102,539.28

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Solution

The fourth proportional to 242,780.66, 364,318.61 and 102,539.28 is: 153,871.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,780.66 : 364,318.61 = 102,539.28 : x
  2. Step 2: Convert to fraction form
    242,780.66/364,318.61 = 102,539.28/x
  3. Step 3: Cross multiply
    242,780.66x = 364,318.61 × 102,539.28
  4. Step 4: Simplify right side
    242,780.66x = 37,356,967,960.00
  5. Step 5: Solve for x
    x = 37,356,967,960.00/242,780.66
  6. Step 6: Final answer
    x = 153,871.27

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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.