Home / 614,263.07-921,441.25-209,329.43

Finding the Fourth Proportional to 614,263.07, 921,441.25 and 209,329.43

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Solution

The fourth proportional to 614,263.07, 921,441.25 and 209,329.43 is: 314,010.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,263.07 : 921,441.25 = 209,329.43 : x
  2. Step 2: Convert to fraction form
    614,263.07/921,441.25 = 209,329.43/x
  3. Step 3: Cross multiply
    614,263.07x = 921,441.25 × 209,329.43
  4. Step 4: Simplify right side
    614,263.07x = 192,884,766,510.46
  5. Step 5: Solve for x
    x = 192,884,766,510.46/614,263.07
  6. Step 6: Final answer
    x = 314,010.03

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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.