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Finding the Fourth Proportional to 342,321.12, 513,603.33 and 152,764.23

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Solution

The fourth proportional to 342,321.12, 513,603.33 and 152,764.23 is: 229,200.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,321.12 : 513,603.33 = 152,764.23 : x
  2. Step 2: Convert to fraction form
    342,321.12/513,603.33 = 152,764.23/x
  3. Step 3: Cross multiply
    342,321.12x = 513,603.33 × 152,764.23
  4. Step 4: Simplify right side
    342,321.12x = 78,460,217,232.89
  5. Step 5: Solve for x
    x = 78,460,217,232.89/342,321.12
  6. Step 6: Final answer
    x = 229,200.63

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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.