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Finding the Fourth Proportional to 510,358.08, 765,647.82 and 155,362.92

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Solution

The fourth proportional to 510,358.08, 765,647.82 and 155,362.92 is: 233,078.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,358.08 : 765,647.82 = 155,362.92 : x
  2. Step 2: Convert to fraction form
    510,358.08/765,647.82 = 155,362.92/x
  3. Step 3: Cross multiply
    510,358.08x = 765,647.82 × 155,362.92
  4. Step 4: Simplify right side
    510,358.08x = 118,953,281,006.83
  5. Step 5: Solve for x
    x = 118,953,281,006.83/510,358.08
  6. Step 6: Final answer
    x = 233,078.08

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1.5x scale

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.