Home / 345,098.48-518,402.43-245,896.16

Finding the Fourth Proportional to 345,098.48, 518,402.43 and 245,896.16

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Solution

The fourth proportional to 345,098.48, 518,402.43 and 245,896.16 is: 369,382.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,098.48 : 518,402.43 = 245,896.16 : x
  2. Step 2: Convert to fraction form
    345,098.48/518,402.43 = 245,896.16/x
  3. Step 3: Cross multiply
    345,098.48x = 518,402.43 × 245,896.16
  4. Step 4: Simplify right side
    345,098.48x = 127,473,164,279.66
  5. Step 5: Solve for x
    x = 127,473,164,279.66/345,098.48
  6. Step 6: Final answer
    x = 369,382.00

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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.