Home / 253,038.43-348,966.87-209,949.70

Finding the Fourth Proportional to 253,038.43, 348,966.87 and 209,949.70

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Solution

The fourth proportional to 253,038.43, 348,966.87 and 209,949.70 is: 289,542.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,038.43 : 348,966.87 = 209,949.70 : x
  2. Step 2: Convert to fraction form
    253,038.43/348,966.87 = 209,949.70/x
  3. Step 3: Cross multiply
    253,038.43x = 348,966.87 × 209,949.70
  4. Step 4: Simplify right side
    253,038.43x = 73,265,489,666.44
  5. Step 5: Solve for x
    x = 73,265,489,666.44/253,038.43
  6. Step 6: Final answer
    x = 289,542.93

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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.