Home / 249,470.09-344,269.05-142,040.16

Finding the Fourth Proportional to 249,470.09, 344,269.05 and 142,040.16

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Solution

The fourth proportional to 249,470.09, 344,269.05 and 142,040.16 is: 196,015.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,470.09 : 344,269.05 = 142,040.16 : x
  2. Step 2: Convert to fraction form
    249,470.09/344,269.05 = 142,040.16/x
  3. Step 3: Cross multiply
    249,470.09x = 344,269.05 × 142,040.16
  4. Step 4: Simplify right side
    249,470.09x = 48,900,030,945.05
  5. Step 5: Solve for x
    x = 48,900,030,945.05/249,470.09
  6. Step 6: Final answer
    x = 196,015.61

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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.