Home / 380,291.20-524,637.08-229,304.32

Finding the Fourth Proportional to 380,291.20, 524,637.08 and 229,304.32

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Solution

The fourth proportional to 380,291.20, 524,637.08 and 229,304.32 is: 316,340.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,291.20 : 524,637.08 = 229,304.32 : x
  2. Step 2: Convert to fraction form
    380,291.20/524,637.08 = 229,304.32/x
  3. Step 3: Cross multiply
    380,291.20x = 524,637.08 × 229,304.32
  4. Step 4: Simplify right side
    380,291.20x = 120,301,548,876.19
  5. Step 5: Solve for x
    x = 120,301,548,876.19/380,291.20
  6. Step 6: Final answer
    x = 316,340.61

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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.