Home / 514,837.12-772,244.50-140,860.12

Finding the Fourth Proportional to 514,837.12, 772,244.50 and 140,860.12

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Solution

The fourth proportional to 514,837.12, 772,244.50 and 140,860.12 is: 211,287.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,837.12 : 772,244.50 = 140,860.12 : x
  2. Step 2: Convert to fraction form
    514,837.12/772,244.50 = 140,860.12/x
  3. Step 3: Cross multiply
    514,837.12x = 772,244.50 × 140,860.12
  4. Step 4: Simplify right side
    514,837.12x = 108,778,452,939.34
  5. Step 5: Solve for x
    x = 108,778,452,939.34/514,837.12
  6. Step 6: Final answer
    x = 211,287.12

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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.