Home / 627,303.76-940,974.08-153,989.10

Finding the Fourth Proportional to 627,303.76, 940,974.08 and 153,989.10

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Solution

The fourth proportional to 627,303.76, 940,974.08 and 153,989.10 is: 230,988.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,303.76 : 940,974.08 = 153,989.10 : x
  2. Step 2: Convert to fraction form
    627,303.76/940,974.08 = 153,989.10/x
  3. Step 3: Cross multiply
    627,303.76x = 940,974.08 × 153,989.10
  4. Step 4: Simplify right side
    627,303.76x = 144,899,751,702.53
  5. Step 5: Solve for x
    x = 144,899,751,702.53/627,303.76
  6. Step 6: Final answer
    x = 230,988.18

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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.