Home / 380,287.20-524,631.60-229,300.32

Finding the Fourth Proportional to 380,287.20, 524,631.60 and 229,300.32

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Solution

The fourth proportional to 380,287.20, 524,631.60 and 229,300.32 is: 316,335.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,287.20 : 524,631.60 = 229,300.32 : x
  2. Step 2: Convert to fraction form
    380,287.20/524,631.60 = 229,300.32/x
  3. Step 3: Cross multiply
    380,287.20x = 524,631.60 × 229,300.32
  4. Step 4: Simplify right side
    380,287.20x = 120,298,193,762.11
  5. Step 5: Solve for x
    x = 120,298,193,762.11/380,287.20
  6. Step 6: Final answer
    x = 316,335.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.