Home / 249,277.40-343,962.25-147,288.68

Finding the Fourth Proportional to 249,277.40, 343,962.25 and 147,288.68

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Solution

The fourth proportional to 249,277.40, 343,962.25 and 147,288.68 is: 203,234.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,277.40 : 343,962.25 = 147,288.68 : x
  2. Step 2: Convert to fraction form
    249,277.40/343,962.25 = 147,288.68/x
  3. Step 3: Cross multiply
    249,277.40x = 343,962.25 × 147,288.68
  4. Step 4: Simplify right side
    249,277.40x = 50,661,744,974.16
  5. Step 5: Solve for x
    x = 50,661,744,974.16/249,277.40
  6. Step 6: Final answer
    x = 203,234.41

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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.