Home / 215,722.47-323,583.74-65,962.77

Finding the Fourth Proportional to 215,722.47, 323,583.74 and 65,962.77

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Solution

The fourth proportional to 215,722.47, 323,583.74 and 65,962.77 is: 98,944.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,722.47 : 323,583.74 = 65,962.77 : x
  2. Step 2: Convert to fraction form
    215,722.47/323,583.74 = 65,962.77/x
  3. Step 3: Cross multiply
    215,722.47x = 323,583.74 × 65,962.77
  4. Step 4: Simplify right side
    215,722.47x = 21,344,478,790.99
  5. Step 5: Solve for x
    x = 21,344,478,790.99/215,722.47
  6. Step 6: Final answer
    x = 98,944.16

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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.