Home / 614,264.07-921,442.75-209,330.43

Finding the Fourth Proportional to 614,264.07, 921,442.75 and 209,330.43

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Solution

The fourth proportional to 614,264.07, 921,442.75 and 209,330.43 is: 314,011.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    614,264.07 : 921,442.75 = 209,330.43 : x
  2. Step 2: Convert to fraction form
    614,264.07/921,442.75 = 209,330.43/x
  3. Step 3: Cross multiply
    614,264.07x = 921,442.75 × 209,330.43
  4. Step 4: Simplify right side
    614,264.07x = 192,886,007,077.88
  5. Step 5: Solve for x
    x = 192,886,007,077.88/614,264.07
  6. Step 6: Final answer
    x = 314,011.54

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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.