Home / 380,283.20-524,626.08-229,296.32

Finding the Fourth Proportional to 380,283.20, 524,626.08 and 229,296.32

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Solution

The fourth proportional to 380,283.20, 524,626.08 and 229,296.32 is: 316,329.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,283.20 : 524,626.08 = 229,296.32 : x
  2. Step 2: Convert to fraction form
    380,283.20/524,626.08 = 229,296.32/x
  3. Step 3: Cross multiply
    380,283.20x = 524,626.08 × 229,296.32
  4. Step 4: Simplify right side
    380,283.20x = 120,294,829,520.03
  5. Step 5: Solve for x
    x = 120,294,829,520.03/380,283.20
  6. Step 6: Final answer
    x = 316,329.59

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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.