Home / 249,242.83-343,984.69-140,350.68

Finding the Fourth Proportional to 249,242.83, 343,984.69 and 140,350.68

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Solution

The fourth proportional to 249,242.83, 343,984.69 and 140,350.68 is: 193,700.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,242.83 : 343,984.69 = 140,350.68 : x
  2. Step 2: Convert to fraction form
    249,242.83/343,984.69 = 140,350.68/x
  3. Step 3: Cross multiply
    249,242.83x = 343,984.69 × 140,350.68
  4. Step 4: Simplify right side
    249,242.83x = 48,278,485,326.53
  5. Step 5: Solve for x
    x = 48,278,485,326.53/249,242.83
  6. Step 6: Final answer
    x = 193,700.60

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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.