Home / 249,835.47-344,781.80-142,388.16

Finding the Fourth Proportional to 249,835.47, 344,781.80 and 142,388.16

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Solution

The fourth proportional to 249,835.47, 344,781.80 and 142,388.16 is: 196,500.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,835.47 : 344,781.80 = 142,388.16 : x
  2. Step 2: Convert to fraction form
    249,835.47/344,781.80 = 142,388.16/x
  3. Step 3: Cross multiply
    249,835.47x = 344,781.80 × 142,388.16
  4. Step 4: Simplify right side
    249,835.47x = 49,092,844,632.57
  5. Step 5: Solve for x
    x = 49,092,844,632.57/249,835.47
  6. Step 6: Final answer
    x = 196,500.70

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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.