Home / 510,795.72-766,191.15-155,811.60

Finding the Fourth Proportional to 510,795.72, 766,191.15 and 155,811.60

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Solution

The fourth proportional to 510,795.72, 766,191.15 and 155,811.60 is: 233,716.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,795.72 : 766,191.15 = 155,811.60 : x
  2. Step 2: Convert to fraction form
    510,795.72/766,191.15 = 155,811.60/x
  3. Step 3: Cross multiply
    510,795.72x = 766,191.15 × 155,811.60
  4. Step 4: Simplify right side
    510,795.72x = 119,381,468,987.34
  5. Step 5: Solve for x
    x = 119,381,468,987.34/510,795.72
  6. Step 6: Final answer
    x = 233,716.66

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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.