Home / 261,623.70-392,435.55-248,721.30

Finding the Fourth Proportional to 261,623.70, 392,435.55 and 248,721.30

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Solution

The fourth proportional to 261,623.70, 392,435.55 and 248,721.30 is: 373,081.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,623.70 : 392,435.55 = 248,721.30 : x
  2. Step 2: Convert to fraction form
    261,623.70/392,435.55 = 248,721.30/x
  3. Step 3: Cross multiply
    261,623.70x = 392,435.55 × 248,721.30
  4. Step 4: Simplify right side
    261,623.70x = 97,607,080,162.22
  5. Step 5: Solve for x
    x = 97,607,080,162.22/261,623.70
  6. Step 6: Final answer
    x = 373,081.95

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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.