Home / 249,616.20-344,470.08-136,438.68

Finding the Fourth Proportional to 249,616.20, 344,470.08 and 136,438.68

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Solution

The fourth proportional to 249,616.20, 344,470.08 and 136,438.68 is: 188,285.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,616.20 : 344,470.08 = 136,438.68 : x
  2. Step 2: Convert to fraction form
    249,616.20/344,470.08 = 136,438.68/x
  3. Step 3: Cross multiply
    249,616.20x = 344,470.08 × 136,438.68
  4. Step 4: Simplify right side
    249,616.20x = 46,999,043,014.69
  5. Step 5: Solve for x
    x = 46,999,043,014.69/249,616.20
  6. Step 6: Final answer
    x = 188,285.23

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1.5x scale

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.