Home / 388,840.20-583,240.80-152,226.24

Finding the Fourth Proportional to 388,840.20, 583,240.80 and 152,226.24

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Solution

The fourth proportional to 388,840.20, 583,240.80 and 152,226.24 is: 228,331.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,840.20 : 583,240.80 = 152,226.24 : x
  2. Step 2: Convert to fraction form
    388,840.20/583,240.80 = 152,226.24/x
  3. Step 3: Cross multiply
    388,840.20x = 583,240.80 × 152,226.24
  4. Step 4: Simplify right side
    388,840.20x = 88,784,553,998.59
  5. Step 5: Solve for x
    x = 88,784,553,998.59/388,840.20
  6. Step 6: Final answer
    x = 228,331.73

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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.