Home / 330,117.40-495,176.10-223,829.20

Finding the Fourth Proportional to 330,117.40, 495,176.10 and 223,829.20

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Solution

The fourth proportional to 330,117.40, 495,176.10 and 223,829.20 is: 335,743.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,117.40 : 495,176.10 = 223,829.20 : x
  2. Step 2: Convert to fraction form
    330,117.40/495,176.10 = 223,829.20/x
  3. Step 3: Cross multiply
    330,117.40x = 495,176.10 × 223,829.20
  4. Step 4: Simplify right side
    330,117.40x = 110,834,870,322.12
  5. Step 5: Solve for x
    x = 110,834,870,322.12/330,117.40
  6. Step 6: Final answer
    x = 335,743.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.