Home / 379,239.30-523,352.02-207,159.65

Finding the Fourth Proportional to 379,239.30, 523,352.02 and 207,159.65

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Solution

The fourth proportional to 379,239.30, 523,352.02 and 207,159.65 is: 285,881.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,239.30 : 523,352.02 = 207,159.65 : x
  2. Step 2: Convert to fraction form
    379,239.30/523,352.02 = 207,159.65/x
  3. Step 3: Cross multiply
    379,239.30x = 523,352.02 × 207,159.65
  4. Step 4: Simplify right side
    379,239.30x = 108,417,422,852.21
  5. Step 5: Solve for x
    x = 108,417,422,852.21/379,239.30
  6. Step 6: Final answer
    x = 285,881.29

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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.