Home / 249,640.50-344,505.12-136,463.25

Finding the Fourth Proportional to 249,640.50, 344,505.12 and 136,463.25

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Solution

The fourth proportional to 249,640.50, 344,505.12 and 136,463.25 is: 188,319.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,640.50 : 344,505.12 = 136,463.25 : x
  2. Step 2: Convert to fraction form
    249,640.50/344,505.12 = 136,463.25/x
  3. Step 3: Cross multiply
    249,640.50x = 344,505.12 × 136,463.25
  4. Step 4: Simplify right side
    249,640.50x = 47,012,288,316.84
  5. Step 5: Solve for x
    x = 47,012,288,316.84/249,640.50
  6. Step 6: Final answer
    x = 188,319.96

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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.