Home / 389,335.76-584,004.18-108,852.74

Finding the Fourth Proportional to 389,335.76, 584,004.18 and 108,852.74

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Solution

The fourth proportional to 389,335.76, 584,004.18 and 108,852.74 is: 163,279.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,335.76 : 584,004.18 = 108,852.74 : x
  2. Step 2: Convert to fraction form
    389,335.76/584,004.18 = 108,852.74/x
  3. Step 3: Cross multiply
    389,335.76x = 584,004.18 × 108,852.74
  4. Step 4: Simplify right side
    389,335.76x = 63,570,455,164.45
  5. Step 5: Solve for x
    x = 63,570,455,164.45/389,335.76
  6. Step 6: Final answer
    x = 163,279.26

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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.