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Finding the Fourth Proportional to 473,388.84, 710,089.56 and 157,845.90

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Solution

The fourth proportional to 473,388.84, 710,089.56 and 157,845.90 is: 236,770.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,388.84 : 710,089.56 = 157,845.90 : x
  2. Step 2: Convert to fraction form
    473,388.84/710,089.56 = 157,845.90/x
  3. Step 3: Cross multiply
    473,388.84x = 710,089.56 × 157,845.90
  4. Step 4: Simplify right side
    473,388.84x = 112,084,725,678.80
  5. Step 5: Solve for x
    x = 112,084,725,678.80/473,388.84
  6. Step 6: Final answer
    x = 236,770.95

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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.