Home / 668,574.15-1,002,863.40-169,938.15

Finding the Fourth Proportional to 668,574.15, 1,002,863.40 and 169,938.15

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Solution

The fourth proportional to 668,574.15, 1,002,863.40 and 169,938.15 is: 254,907.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,574.15 : 1,002,863.40 = 169,938.15 : x
  2. Step 2: Convert to fraction form
    668,574.15/1,002,863.40 = 169,938.15/x
  3. Step 3: Cross multiply
    668,574.15x = 1,002,863.40 × 169,938.15
  4. Step 4: Simplify right side
    668,574.15x = 170,424,750,898.71
  5. Step 5: Solve for x
    x = 170,424,750,898.71/668,574.15
  6. Step 6: Final answer
    x = 254,907.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.