Home / 316,474.14-436,734.45-173,235

Finding the Fourth Proportional to 316,474.14, 436,734.45 and 173,235

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Solution

The fourth proportional to 316,474.14, 436,734.45 and 173,235 is: 239,064.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,474.14 : 436,734.45 = 173,235 : x
  2. Step 2: Convert to fraction form
    316,474.14/436,734.45 = 173,235/x
  3. Step 3: Cross multiply
    316,474.14x = 436,734.45 × 173,235
  4. Step 4: Simplify right side
    316,474.14x = 75,657,692,445.75
  5. Step 5: Solve for x
    x = 75,657,692,445.75/316,474.14
  6. Step 6: Final answer
    x = 239,064.37

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1.5x scale

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.