Home / 489,071.30-733,643.40-173,487.20

Finding the Fourth Proportional to 489,071.30, 733,643.40 and 173,487.20

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Solution

The fourth proportional to 489,071.30, 733,643.40 and 173,487.20 is: 260,243.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,071.30 : 733,643.40 = 173,487.20 : x
  2. Step 2: Convert to fraction form
    489,071.30/733,643.40 = 173,487.20/x
  3. Step 3: Cross multiply
    489,071.30x = 733,643.40 × 173,487.20
  4. Step 4: Simplify right side
    489,071.30x = 127,277,739,264.48
  5. Step 5: Solve for x
    x = 127,277,739,264.48/489,071.30
  6. Step 6: Final answer
    x = 260,243.73

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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.