Home / 382,968.20-528,318.76-247,046

Finding the Fourth Proportional to 382,968.20, 528,318.76 and 247,046

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Solution

The fourth proportional to 382,968.20, 528,318.76 and 247,046 is: 340,809.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,968.20 : 528,318.76 = 247,046 : x
  2. Step 2: Convert to fraction form
    382,968.20/528,318.76 = 247,046/x
  3. Step 3: Cross multiply
    382,968.20x = 528,318.76 × 247,046
  4. Step 4: Simplify right side
    382,968.20x = 130,519,036,382.96
  5. Step 5: Solve for x
    x = 130,519,036,382.96/382,968.20
  6. Step 6: Final answer
    x = 340,809.07

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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.