Home / 423,272.98-584,142.94-279,784.18

Finding the Fourth Proportional to 423,272.98, 584,142.94 and 279,784.18

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Solution

The fourth proportional to 423,272.98, 584,142.94 and 279,784.18 is: 386,119.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,272.98 : 584,142.94 = 279,784.18 : x
  2. Step 2: Convert to fraction form
    423,272.98/584,142.94 = 279,784.18/x
  3. Step 3: Cross multiply
    423,272.98x = 584,142.94 × 279,784.18
  4. Step 4: Simplify right side
    423,272.98x = 163,433,953,470.69
  5. Step 5: Solve for x
    x = 163,433,953,470.69/423,272.98
  6. Step 6: Final answer
    x = 386,119.50

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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.