Home / 515,125.48-772,797.66-160,130.92

Finding the Fourth Proportional to 515,125.48, 772,797.66 and 160,130.92

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Solution

The fourth proportional to 515,125.48, 772,797.66 and 160,130.92 is: 240,230.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,125.48 : 772,797.66 = 160,130.92 : x
  2. Step 2: Convert to fraction form
    515,125.48/772,797.66 = 160,130.92/x
  3. Step 3: Cross multiply
    515,125.48x = 772,797.66 × 160,130.92
  4. Step 4: Simplify right side
    515,125.48x = 123,748,800,269.65
  5. Step 5: Solve for x
    x = 123,748,800,269.65/515,125.48
  6. Step 6: Final answer
    x = 240,230.40

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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.