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Finding the Fourth Proportional to 342,433.98, 472,559.67 and 189,483.30

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Solution

The fourth proportional to 342,433.98, 472,559.67 and 189,483.30 is: 261,487.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,433.98 : 472,559.67 = 189,483.30 : x
  2. Step 2: Convert to fraction form
    342,433.98/472,559.67 = 189,483.30/x
  3. Step 3: Cross multiply
    342,433.98x = 472,559.67 × 189,483.30
  4. Step 4: Simplify right side
    342,433.98x = 89,542,165,718.51
  5. Step 5: Solve for x
    x = 89,542,165,718.51/342,433.98
  6. Step 6: Final answer
    x = 261,487.38

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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.