Home / 374,034.20-561,245.70-163,693.40

Finding the Fourth Proportional to 374,034.20, 561,245.70 and 163,693.40

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Solution

The fourth proportional to 374,034.20, 561,245.70 and 163,693.40 is: 245,625.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,034.20 : 561,245.70 = 163,693.40 : x
  2. Step 2: Convert to fraction form
    374,034.20/561,245.70 = 163,693.40/x
  3. Step 3: Cross multiply
    374,034.20x = 561,245.70 × 163,693.40
  4. Step 4: Simplify right side
    374,034.20x = 91,872,216,868.38
  5. Step 5: Solve for x
    x = 91,872,216,868.38/374,034.20
  6. Step 6: Final answer
    x = 245,625.18

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1.5x scale

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.