Home / 554,002.80-831,263.40-238,729.20

Finding the Fourth Proportional to 554,002.80, 831,263.40 and 238,729.20

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Solution

The fourth proportional to 554,002.80, 831,263.40 and 238,729.20 is: 358,205.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,002.80 : 831,263.40 = 238,729.20 : x
  2. Step 2: Convert to fraction form
    554,002.80/831,263.40 = 238,729.20/x
  3. Step 3: Cross multiply
    554,002.80x = 831,263.40 × 238,729.20
  4. Step 4: Simplify right side
    554,002.80x = 198,446,846,471.28
  5. Step 5: Solve for x
    x = 198,446,846,471.28/554,002.80
  6. Step 6: Final answer
    x = 358,205.49

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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.