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Finding the Fourth Proportional to 521,900.48, 782,889.12 and 162,024.16

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Solution

The fourth proportional to 521,900.48, 782,889.12 and 162,024.16 is: 243,048.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,900.48 : 782,889.12 = 162,024.16 : x
  2. Step 2: Convert to fraction form
    521,900.48/782,889.12 = 162,024.16/x
  3. Step 3: Cross multiply
    521,900.48x = 782,889.12 × 162,024.16
  4. Step 4: Simplify right side
    521,900.48x = 126,846,952,041.14
  5. Step 5: Solve for x
    x = 126,846,952,041.14/521,900.48
  6. Step 6: Final answer
    x = 243,048.16

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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.