Home / 249,470.58-344,269.74-142,040.66

Finding the Fourth Proportional to 249,470.58, 344,269.74 and 142,040.66

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Solution

The fourth proportional to 249,470.58, 344,269.74 and 142,040.66 is: 196,016.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,470.58 : 344,269.74 = 142,040.66 : x
  2. Step 2: Convert to fraction form
    249,470.58/344,269.74 = 142,040.66/x
  3. Step 3: Cross multiply
    249,470.58x = 344,269.74 × 142,040.66
  4. Step 4: Simplify right side
    249,470.58x = 48,900,301,087.63
  5. Step 5: Solve for x
    x = 48,900,301,087.63/249,470.58
  6. Step 6: Final answer
    x = 196,016.30

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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.