Home / 487,085.44-672,148.94-269,281.07

Finding the Fourth Proportional to 487,085.44, 672,148.94 and 269,281.07

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Solution

The fourth proportional to 487,085.44, 672,148.94 and 269,281.07 is: 371,591.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,085.44 : 672,148.94 = 269,281.07 : x
  2. Step 2: Convert to fraction form
    487,085.44/672,148.94 = 269,281.07/x
  3. Step 3: Cross multiply
    487,085.44x = 672,148.94 × 269,281.07
  4. Step 4: Simplify right side
    487,085.44x = 180,996,985,762.57
  5. Step 5: Solve for x
    x = 180,996,985,762.57/487,085.44
  6. Step 6: Final answer
    x = 371,591.86

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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.