Home / 380,650.19-570,930.80-152,936.57

Finding the Fourth Proportional to 380,650.19, 570,930.80 and 152,936.57

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Solution

The fourth proportional to 380,650.19, 570,930.80 and 152,936.57 is: 229,386.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,650.19 : 570,930.80 = 152,936.57 : x
  2. Step 2: Convert to fraction form
    380,650.19/570,930.80 = 152,936.57/x
  3. Step 3: Cross multiply
    380,650.19x = 570,930.80 × 152,936.57
  4. Step 4: Simplify right side
    380,650.19x = 87,316,198,922.00
  5. Step 5: Solve for x
    x = 87,316,198,922.00/380,650.19
  6. Step 6: Final answer
    x = 229,386.99

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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.