Home / 249,608.40-344,458.98-136,431.96

Finding the Fourth Proportional to 249,608.40, 344,458.98 and 136,431.96

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Solution

The fourth proportional to 249,608.40, 344,458.98 and 136,431.96 is: 188,275.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,608.40 : 344,458.98 = 136,431.96 : x
  2. Step 2: Convert to fraction form
    249,608.40/344,458.98 = 136,431.96/x
  3. Step 3: Cross multiply
    249,608.40x = 344,458.98 × 136,431.96
  4. Step 4: Simplify right side
    249,608.40x = 46,995,213,781.00
  5. Step 5: Solve for x
    x = 46,995,213,781.00/249,608.40
  6. Step 6: Final answer
    x = 188,275.77

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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.