Home / 380,519.10-570,784.32-180,860.04

Finding the Fourth Proportional to 380,519.10, 570,784.32 and 180,860.04

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Solution

The fourth proportional to 380,519.10, 570,784.32 and 180,860.04 is: 271,292.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,519.10 : 570,784.32 = 180,860.04 : x
  2. Step 2: Convert to fraction form
    380,519.10/570,784.32 = 180,860.04/x
  3. Step 3: Cross multiply
    380,519.10x = 570,784.32 × 180,860.04
  4. Step 4: Simplify right side
    380,519.10x = 103,232,074,946.57
  5. Step 5: Solve for x
    x = 103,232,074,946.57/380,519.10
  6. Step 6: Final answer
    x = 271,292.75

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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.