Home / 476,615.32-715,011-156,785.20

Finding the Fourth Proportional to 476,615.32, 715,011 and 156,785.20

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Solution

The fourth proportional to 476,615.32, 715,011 and 156,785.20 is: 235,206.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,615.32 : 715,011 = 156,785.20 : x
  2. Step 2: Convert to fraction form
    476,615.32/715,011 = 156,785.20/x
  3. Step 3: Cross multiply
    476,615.32x = 715,011 × 156,785.20
  4. Step 4: Simplify right side
    476,615.32x = 112,103,142,637.20
  5. Step 5: Solve for x
    x = 112,103,142,637.20/476,615.32
  6. Step 6: Final answer
    x = 235,206.75

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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.