Home / 361,322.20-498,423.73-284,558.50

Finding the Fourth Proportional to 361,322.20, 498,423.73 and 284,558.50

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Solution

The fourth proportional to 361,322.20, 498,423.73 and 284,558.50 is: 392,532.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,322.20 : 498,423.73 = 284,558.50 : x
  2. Step 2: Convert to fraction form
    361,322.20/498,423.73 = 284,558.50/x
  3. Step 3: Cross multiply
    361,322.20x = 498,423.73 × 284,558.50
  4. Step 4: Simplify right side
    361,322.20x = 141,830,708,973.21
  5. Step 5: Solve for x
    x = 141,830,708,973.21/361,322.20
  6. Step 6: Final answer
    x = 392,532.51

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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.