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Finding the Fourth Proportional to 342,577.36, 513,869.46 and 153,047.08

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Solution

The fourth proportional to 342,577.36, 513,869.46 and 153,047.08 is: 229,572.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,577.36 : 513,869.46 = 153,047.08 : x
  2. Step 2: Convert to fraction form
    342,577.36/513,869.46 = 153,047.08/x
  3. Step 3: Cross multiply
    342,577.36x = 513,869.46 × 153,047.08
  4. Step 4: Simplify right side
    342,577.36x = 78,646,220,354.18
  5. Step 5: Solve for x
    x = 78,646,220,354.18/342,577.36
  6. Step 6: Final answer
    x = 229,572.15

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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.