Home / 454,566.60-681,740.55-139,026.24

Finding the Fourth Proportional to 454,566.60, 681,740.55 and 139,026.24

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Solution

The fourth proportional to 454,566.60, 681,740.55 and 139,026.24 is: 208,505.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,566.60 : 681,740.55 = 139,026.24 : x
  2. Step 2: Convert to fraction form
    454,566.60/681,740.55 = 139,026.24/x
  3. Step 3: Cross multiply
    454,566.60x = 681,740.55 × 139,026.24
  4. Step 4: Simplify right side
    454,566.60x = 94,779,825,322.03
  5. Step 5: Solve for x
    x = 94,779,825,322.03/454,566.60
  6. Step 6: Final answer
    x = 208,505.92

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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.