Home / 361,421.46-541,702.08-272,381.40

Finding the Fourth Proportional to 361,421.46, 541,702.08 and 272,381.40

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Solution

The fourth proportional to 361,421.46, 541,702.08 and 272,381.40 is: 408,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,421.46 : 541,702.08 = 272,381.40 : x
  2. Step 2: Convert to fraction form
    361,421.46/541,702.08 = 272,381.40/x
  3. Step 3: Cross multiply
    361,421.46x = 541,702.08 × 272,381.40
  4. Step 4: Simplify right side
    361,421.46x = 147,549,570,933.31
  5. Step 5: Solve for x
    x = 147,549,570,933.31/361,421.46
  6. Step 6: Final answer
    x = 408,247.95

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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.