Home / 427,031-589,302.90-233,439.56

Finding the Fourth Proportional to 427,031, 589,302.90 and 233,439.56

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Solution

The fourth proportional to 427,031, 589,302.90 and 233,439.56 is: 322,146.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,031 : 589,302.90 = 233,439.56 : x
  2. Step 2: Convert to fraction form
    427,031/589,302.90 = 233,439.56/x
  3. Step 3: Cross multiply
    427,031x = 589,302.90 × 233,439.56
  4. Step 4: Simplify right side
    427,031x = 137,566,609,682.72
  5. Step 5: Solve for x
    x = 137,566,609,682.72/427,031
  6. Step 6: Final answer
    x = 322,146.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.