Home / 454,570.60-681,746.56-139,030.24

Finding the Fourth Proportional to 454,570.60, 681,746.56 and 139,030.24

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Solution

The fourth proportional to 454,570.60, 681,746.56 and 139,030.24 is: 208,511.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,570.60 : 681,746.56 = 139,030.24 : x
  2. Step 2: Convert to fraction form
    454,570.60/681,746.56 = 139,030.24/x
  3. Step 3: Cross multiply
    454,570.60x = 681,746.56 × 139,030.24
  4. Step 4: Simplify right side
    454,570.60x = 94,783,387,855.97
  5. Step 5: Solve for x
    x = 94,783,387,855.97/454,570.60
  6. Step 6: Final answer
    x = 208,511.92

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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.