Home / 316,261.16-436,432.03-187,206.29

Finding the Fourth Proportional to 316,261.16, 436,432.03 and 187,206.29

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Solution

The fourth proportional to 316,261.16, 436,432.03 and 187,206.29 is: 258,339.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,261.16 : 436,432.03 = 187,206.29 : x
  2. Step 2: Convert to fraction form
    316,261.16/436,432.03 = 187,206.29/x
  3. Step 3: Cross multiply
    316,261.16x = 436,432.03 × 187,206.29
  4. Step 4: Simplify right side
    316,261.16x = 81,702,821,173.47
  5. Step 5: Solve for x
    x = 81,702,821,173.47/316,261.16
  6. Step 6: Final answer
    x = 258,339.73

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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.