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Finding the Fourth Proportional to 342,547.60, 513,776.04 and 155,516.08

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Solution

The fourth proportional to 342,547.60, 513,776.04 and 155,516.08 is: 233,253.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,547.60 : 513,776.04 = 155,516.08 : x
  2. Step 2: Convert to fraction form
    342,547.60/513,776.04 = 155,516.08/x
  3. Step 3: Cross multiply
    342,547.60x = 513,776.04 × 155,516.08
  4. Step 4: Simplify right side
    342,547.60x = 79,900,435,738.72
  5. Step 5: Solve for x
    x = 79,900,435,738.72/342,547.60
  6. Step 6: Final answer
    x = 233,253.53

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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.