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Finding the Fourth Proportional to 471,276.24, 650,378.88 and 270,111.12

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Solution

The fourth proportional to 471,276.24, 650,378.88 and 270,111.12 is: 372,763.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    471,276.24 : 650,378.88 = 270,111.12 : x
  2. Step 2: Convert to fraction form
    471,276.24/650,378.88 = 270,111.12/x
  3. Step 3: Cross multiply
    471,276.24x = 650,378.88 × 270,111.12
  4. Step 4: Simplify right side
    471,276.24x = 175,674,567,701.15
  5. Step 5: Solve for x
    x = 175,674,567,701.15/471,276.24
  6. Step 6: Final answer
    x = 372,763.47

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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.