Home / 388,972.80-583,459.20-152,236.80

Finding the Fourth Proportional to 388,972.80, 583,459.20 and 152,236.80

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Solution

The fourth proportional to 388,972.80, 583,459.20 and 152,236.80 is: 228,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,972.80 : 583,459.20 = 152,236.80 : x
  2. Step 2: Convert to fraction form
    388,972.80/583,459.20 = 152,236.80/x
  3. Step 3: Cross multiply
    388,972.80x = 583,459.20 × 152,236.80
  4. Step 4: Simplify right side
    388,972.80x = 88,823,961,538.56
  5. Step 5: Solve for x
    x = 88,823,961,538.56/388,972.80
  6. Step 6: Final answer
    x = 228,355.20

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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.