Home / 489,927.16-734,898.12-170,089.18

Finding the Fourth Proportional to 489,927.16, 734,898.12 and 170,089.18

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Solution

The fourth proportional to 489,927.16, 734,898.12 and 170,089.18 is: 255,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,927.16 : 734,898.12 = 170,089.18 : x
  2. Step 2: Convert to fraction form
    489,927.16/734,898.12 = 170,089.18/x
  3. Step 3: Cross multiply
    489,927.16x = 734,898.12 × 170,089.18
  4. Step 4: Simplify right side
    489,927.16x = 124,998,218,614.34
  5. Step 5: Solve for x
    x = 124,998,218,614.34/489,927.16
  6. Step 6: Final answer
    x = 255,136.33

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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.