Home / 380,652.19-570,933.79-152,938.57

Finding the Fourth Proportional to 380,652.19, 570,933.79 and 152,938.57

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Solution

The fourth proportional to 380,652.19, 570,933.79 and 152,938.57 is: 229,389.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,652.19 : 570,933.79 = 152,938.57 : x
  2. Step 2: Convert to fraction form
    380,652.19/570,933.79 = 152,938.57/x
  3. Step 3: Cross multiply
    380,652.19x = 570,933.79 × 152,938.57
  4. Step 4: Simplify right side
    380,652.19x = 87,317,797,407.28
  5. Step 5: Solve for x
    x = 87,317,797,407.28/380,652.19
  6. Step 6: Final answer
    x = 229,389.98

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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.