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Finding the Fourth Proportional to 60,201.91, 90,303.74 and 28,615.20

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Solution

The fourth proportional to 60,201.91, 90,303.74 and 28,615.20 is: 42,923.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,201.91 : 90,303.74 = 28,615.20 : x
  2. Step 2: Convert to fraction form
    60,201.91/90,303.74 = 28,615.20/x
  3. Step 3: Cross multiply
    60,201.91x = 90,303.74 × 28,615.20
  4. Step 4: Simplify right side
    60,201.91x = 2,584,059,580.85
  5. Step 5: Solve for x
    x = 2,584,059,580.85/60,201.91
  6. Step 6: Final answer
    x = 42,923.22

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1.5x scale

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.