Home / 249,561.95-344,398.03-136,384.70

Finding the Fourth Proportional to 249,561.95, 344,398.03 and 136,384.70

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Solution

The fourth proportional to 249,561.95, 344,398.03 and 136,384.70 is: 188,212.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,561.95 : 344,398.03 = 136,384.70 : x
  2. Step 2: Convert to fraction form
    249,561.95/344,398.03 = 136,384.70/x
  3. Step 3: Cross multiply
    249,561.95x = 344,398.03 × 136,384.70
  4. Step 4: Simplify right side
    249,561.95x = 46,970,619,939.19
  5. Step 5: Solve for x
    x = 46,970,619,939.19/249,561.95
  6. Step 6: Final answer
    x = 188,212.27

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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.