Home / 457,125.12-630,834.48-266,269.68

Finding the Fourth Proportional to 457,125.12, 630,834.48 and 266,269.68

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Solution

The fourth proportional to 457,125.12, 630,834.48 and 266,269.68 is: 367,453.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,125.12 : 630,834.48 = 266,269.68 : x
  2. Step 2: Convert to fraction form
    457,125.12/630,834.48 = 266,269.68/x
  3. Step 3: Cross multiply
    457,125.12x = 630,834.48 × 266,269.68
  4. Step 4: Simplify right side
    457,125.12x = 167,972,095,122.57
  5. Step 5: Solve for x
    x = 167,972,095,122.57/457,125.12
  6. Step 6: Final answer
    x = 367,453.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.