Home / 423,687.47-584,444.63-253,823.18

Finding the Fourth Proportional to 423,687.47, 584,444.63 and 253,823.18

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Solution

The fourth proportional to 423,687.47, 584,444.63 and 253,823.18 is: 350,129.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,687.47 : 584,444.63 = 253,823.18 : x
  2. Step 2: Convert to fraction form
    423,687.47/584,444.63 = 253,823.18/x
  3. Step 3: Cross multiply
    423,687.47x = 584,444.63 × 253,823.18
  4. Step 4: Simplify right side
    423,687.47x = 148,345,592,232.86
  5. Step 5: Solve for x
    x = 148,345,592,232.86/423,687.47
  6. Step 6: Final answer
    x = 350,129.76

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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.