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Finding the Fourth Proportional to 510,525.60, 765,951.60 and 155,607.20

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Solution

The fourth proportional to 510,525.60, 765,951.60 and 155,607.20 is: 233,460.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,525.60 : 765,951.60 = 155,607.20 : x
  2. Step 2: Convert to fraction form
    510,525.60/765,951.60 = 155,607.20/x
  3. Step 3: Cross multiply
    510,525.60x = 765,951.60 × 155,607.20
  4. Step 4: Simplify right side
    510,525.60x = 119,187,583,811.52
  5. Step 5: Solve for x
    x = 119,187,583,811.52/510,525.60
  6. Step 6: Final answer
    x = 233,460.54

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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.