Home / 380,245.10-570,397.35-169,904.30

Finding the Fourth Proportional to 380,245.10, 570,397.35 and 169,904.30

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Solution

The fourth proportional to 380,245.10, 570,397.35 and 169,904.30 is: 254,869.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,245.10 : 570,397.35 = 169,904.30 : x
  2. Step 2: Convert to fraction form
    380,245.10/570,397.35 = 169,904.30/x
  3. Step 3: Cross multiply
    380,245.10x = 570,397.35 × 169,904.30
  4. Step 4: Simplify right side
    380,245.10x = 96,912,962,473.61
  5. Step 5: Solve for x
    x = 96,912,962,473.61/380,245.10
  6. Step 6: Final answer
    x = 254,869.72

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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.