Home / 417,142.80-625,339.98-150,840.72

Finding the Fourth Proportional to 417,142.80, 625,339.98 and 150,840.72

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Solution

The fourth proportional to 417,142.80, 625,339.98 and 150,840.72 is: 226,125.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,142.80 : 625,339.98 = 150,840.72 : x
  2. Step 2: Convert to fraction form
    417,142.80/625,339.98 = 150,840.72/x
  3. Step 3: Cross multiply
    417,142.80x = 625,339.98 × 150,840.72
  4. Step 4: Simplify right side
    417,142.80x = 94,326,732,827.99
  5. Step 5: Solve for x
    x = 94,326,732,827.99/417,142.80
  6. Step 6: Final answer
    x = 226,125.76

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1.5x scale

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.