Home / 380,436.72-570,766.18-170,025.45

Finding the Fourth Proportional to 380,436.72, 570,766.18 and 170,025.45

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Solution

The fourth proportional to 380,436.72, 570,766.18 and 170,025.45 is: 255,087.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,436.72 : 570,766.18 = 170,025.45 : x
  2. Step 2: Convert to fraction form
    380,436.72/570,766.18 = 170,025.45/x
  3. Step 3: Cross multiply
    380,436.72x = 570,766.18 × 170,025.45
  4. Step 4: Simplify right side
    380,436.72x = 97,044,776,599.28
  5. Step 5: Solve for x
    x = 97,044,776,599.28/380,436.72
  6. Step 6: Final answer
    x = 255,087.83

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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.