Home / 221,024.60-331,501.70-73,280.60

Finding the Fourth Proportional to 221,024.60, 331,501.70 and 73,280.60

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Solution

The fourth proportional to 221,024.60, 331,501.70 and 73,280.60 is: 109,909.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,024.60 : 331,501.70 = 73,280.60 : x
  2. Step 2: Convert to fraction form
    221,024.60/331,501.70 = 73,280.60/x
  3. Step 3: Cross multiply
    221,024.60x = 331,501.70 × 73,280.60
  4. Step 4: Simplify right side
    221,024.60x = 24,292,643,477.02
  5. Step 5: Solve for x
    x = 24,292,643,477.02/221,024.60
  6. Step 6: Final answer
    x = 109,909.23

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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.