Home / 668,574.16-1,002,863.40-169,938.16

Finding the Fourth Proportional to 668,574.16, 1,002,863.40 and 169,938.16

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Solution

The fourth proportional to 668,574.16, 1,002,863.40 and 169,938.16 is: 254,907.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,574.16 : 1,002,863.40 = 169,938.16 : x
  2. Step 2: Convert to fraction form
    668,574.16/1,002,863.40 = 169,938.16/x
  3. Step 3: Cross multiply
    668,574.16x = 1,002,863.40 × 169,938.16
  4. Step 4: Simplify right side
    668,574.16x = 170,424,760,927.34
  5. Step 5: Solve for x
    x = 170,424,760,927.34/668,574.16
  6. Step 6: Final answer
    x = 254,907.79

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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.