Home / 249,947.64-344,949.03-142,488.18

Finding the Fourth Proportional to 249,947.64, 344,949.03 and 142,488.18

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Solution

The fourth proportional to 249,947.64, 344,949.03 and 142,488.18 is: 196,645.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,947.64 : 344,949.03 = 142,488.18 : x
  2. Step 2: Convert to fraction form
    249,947.64/344,949.03 = 142,488.18/x
  3. Step 3: Cross multiply
    249,947.64x = 344,949.03 × 142,488.18
  4. Step 4: Simplify right side
    249,947.64x = 49,151,159,477.47
  5. Step 5: Solve for x
    x = 49,151,159,477.47/249,947.64
  6. Step 6: Final answer
    x = 196,645.82

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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.