Home / 614,275.41-921,544.35-214,929.21

Finding the Fourth Proportional to 614,275.41, 921,544.35 and 214,929.21

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Solution

The fourth proportional to 614,275.41, 921,544.35 and 214,929.21 is: 322,439.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,275.41 : 921,544.35 = 214,929.21 : x
  2. Step 2: Convert to fraction form
    614,275.41/921,544.35 = 214,929.21/x
  3. Step 3: Cross multiply
    614,275.41x = 921,544.35 × 214,929.21
  4. Step 4: Simplify right side
    614,275.41x = 198,066,799,125.46
  5. Step 5: Solve for x
    x = 198,066,799,125.46/614,275.41
  6. Step 6: Final answer
    x = 322,439.73

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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.