Home / 249,442.79-344,231.37-142,012.82

Finding the Fourth Proportional to 249,442.79, 344,231.37 and 142,012.82

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Solution

The fourth proportional to 249,442.79, 344,231.37 and 142,012.82 is: 195,977.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,442.79 : 344,231.37 = 142,012.82 : x
  2. Step 2: Convert to fraction form
    249,442.79/344,231.37 = 142,012.82/x
  3. Step 3: Cross multiply
    249,442.79x = 344,231.37 × 142,012.82
  4. Step 4: Simplify right side
    249,442.79x = 48,885,267,586.16
  5. Step 5: Solve for x
    x = 48,885,267,586.16/249,442.79
  6. Step 6: Final answer
    x = 195,977.87

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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.