Home / 238,956.82-358,487.07-72,740.50

Finding the Fourth Proportional to 238,956.82, 358,487.07 and 72,740.50

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Solution

The fourth proportional to 238,956.82, 358,487.07 and 72,740.50 is: 109,126.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,956.82 : 358,487.07 = 72,740.50 : x
  2. Step 2: Convert to fraction form
    238,956.82/358,487.07 = 72,740.50/x
  3. Step 3: Cross multiply
    238,956.82x = 358,487.07 × 72,740.50
  4. Step 4: Simplify right side
    238,956.82x = 26,076,528,715.34
  5. Step 5: Solve for x
    x = 26,076,528,715.34/238,956.82
  6. Step 6: Final answer
    x = 109,126.53

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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.