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Finding the Fourth Proportional to 473,802.13, 710,598.55 and 136,769.55

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Solution

The fourth proportional to 473,802.13, 710,598.55 and 136,769.55 is: 205,124.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,802.13 : 710,598.55 = 136,769.55 : x
  2. Step 2: Convert to fraction form
    473,802.13/710,598.55 = 136,769.55/x
  3. Step 3: Cross multiply
    473,802.13x = 710,598.55 × 136,769.55
  4. Step 4: Simplify right side
    473,802.13x = 97,188,243,914.15
  5. Step 5: Solve for x
    x = 97,188,243,914.15/473,802.13
  6. Step 6: Final answer
    x = 205,124.12

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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.