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Finding the Fourth Proportional to 249,679.60, 344,461.02 and 159,019.32

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Solution

The fourth proportional to 249,679.60, 344,461.02 and 159,019.32 is: 219,384.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,679.60 : 344,461.02 = 159,019.32 : x
  2. Step 2: Convert to fraction form
    249,679.60/344,461.02 = 159,019.32/x
  3. Step 3: Cross multiply
    249,679.60x = 344,461.02 × 159,019.32
  4. Step 4: Simplify right side
    249,679.60x = 54,775,957,166.91
  5. Step 5: Solve for x
    x = 54,775,957,166.91/249,679.60
  6. Step 6: Final answer
    x = 219,384.99

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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.