Home / 220,526.37-330,700.47-85,519.35

Finding the Fourth Proportional to 220,526.37, 330,700.47 and 85,519.35

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Solution

The fourth proportional to 220,526.37, 330,700.47 and 85,519.35 is: 128,244.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,526.37 : 330,700.47 = 85,519.35 : x
  2. Step 2: Convert to fraction form
    220,526.37/330,700.47 = 85,519.35/x
  3. Step 3: Cross multiply
    220,526.37x = 330,700.47 × 85,519.35
  4. Step 4: Simplify right side
    220,526.37x = 28,281,289,239.09
  5. Step 5: Solve for x
    x = 28,281,289,239.09/220,526.37
  6. Step 6: Final answer
    x = 128,244.48

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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.