Home / 359,731.40-496,464.66-208,819.40

Finding the Fourth Proportional to 359,731.40, 496,464.66 and 208,819.40

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Solution

The fourth proportional to 359,731.40, 496,464.66 and 208,819.40 is: 288,191.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,731.40 : 496,464.66 = 208,819.40 : x
  2. Step 2: Convert to fraction form
    359,731.40/496,464.66 = 208,819.40/x
  3. Step 3: Cross multiply
    359,731.40x = 496,464.66 × 208,819.40
  4. Step 4: Simplify right side
    359,731.40x = 103,671,452,422.40
  5. Step 5: Solve for x
    x = 103,671,452,422.40/359,731.40
  6. Step 6: Final answer
    x = 288,191.28

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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.