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Finding the Fourth Proportional to 249,980.49, 344,973.33 and 135,259.11

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Solution

The fourth proportional to 249,980.49, 344,973.33 and 135,259.11 is: 186,657.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,980.49 : 344,973.33 = 135,259.11 : x
  2. Step 2: Convert to fraction form
    249,980.49/344,973.33 = 135,259.11/x
  3. Step 3: Cross multiply
    249,980.49x = 344,973.33 × 135,259.11
  4. Step 4: Simplify right side
    249,980.49x = 46,660,785,589.54
  5. Step 5: Solve for x
    x = 46,660,785,589.54/249,980.49
  6. Step 6: Final answer
    x = 186,657.71

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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.