Home / 249,678.90-344,534.85-142,244.82

Finding the Fourth Proportional to 249,678.90, 344,534.85 and 142,244.82

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Solution

The fourth proportional to 249,678.90, 344,534.85 and 142,244.82 is: 196,285.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,678.90 : 344,534.85 = 142,244.82 : x
  2. Step 2: Convert to fraction form
    249,678.90/344,534.85 = 142,244.82/x
  3. Step 3: Cross multiply
    249,678.90x = 344,534.85 × 142,244.82
  4. Step 4: Simplify right side
    249,678.90x = 49,008,297,721.98
  5. Step 5: Solve for x
    x = 49,008,297,721.98/249,678.90
  6. Step 6: Final answer
    x = 196,285.30

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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.