Home / 388,733.40-583,100.10-222,404.76

Finding the Fourth Proportional to 388,733.40, 583,100.10 and 222,404.76

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Solution

The fourth proportional to 388,733.40, 583,100.10 and 222,404.76 is: 333,607.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,733.40 : 583,100.10 = 222,404.76 : x
  2. Step 2: Convert to fraction form
    388,733.40/583,100.10 = 222,404.76/x
  3. Step 3: Cross multiply
    388,733.40x = 583,100.10 × 222,404.76
  4. Step 4: Simplify right side
    388,733.40x = 129,684,237,796.48
  5. Step 5: Solve for x
    x = 129,684,237,796.48/388,733.40
  6. Step 6: Final answer
    x = 333,607.14

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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.