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Finding the Fourth Proportional to 650,000.42, 975,109.55 and 223,519.01

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Solution

The fourth proportional to 650,000.42, 975,109.55 and 223,519.01 is: 335,315.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,000.42 : 975,109.55 = 223,519.01 : x
  2. Step 2: Convert to fraction form
    650,000.42/975,109.55 = 223,519.01/x
  3. Step 3: Cross multiply
    650,000.42x = 975,109.55 × 223,519.01
  4. Step 4: Simplify right side
    650,000.42x = 217,955,521,257.55
  5. Step 5: Solve for x
    x = 217,955,521,257.55/650,000.42
  6. Step 6: Final answer
    x = 335,315.97

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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.