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Finding the Fourth Proportional to 473,885.92, 710,865.60 and 158,343.94

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Solution

The fourth proportional to 473,885.92, 710,865.60 and 158,343.94 is: 237,528.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,885.92 : 710,865.60 = 158,343.94 : x
  2. Step 2: Convert to fraction form
    473,885.92/710,865.60 = 158,343.94/x
  3. Step 3: Cross multiply
    473,885.92x = 710,865.60 × 158,343.94
  4. Step 4: Simplify right side
    473,885.92x = 112,561,259,914.46
  5. Step 5: Solve for x
    x = 112,561,259,914.46/473,885.92
  6. Step 6: Final answer
    x = 237,528.18

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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.