Home / 470,988.60-649,981.31-269,823.48

Finding the Fourth Proportional to 470,988.60, 649,981.31 and 269,823.48

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Solution

The fourth proportional to 470,988.60, 649,981.31 and 269,823.48 is: 372,366.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,988.60 : 649,981.31 = 269,823.48 : x
  2. Step 2: Convert to fraction form
    470,988.60/649,981.31 = 269,823.48/x
  3. Step 3: Cross multiply
    470,988.60x = 649,981.31 × 269,823.48
  4. Step 4: Simplify right side
    470,988.60x = 175,380,218,999.16
  5. Step 5: Solve for x
    x = 175,380,218,999.16/470,988.60
  6. Step 6: Final answer
    x = 372,366.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.