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Finding the Fourth Proportional to 342,529.65, 514,256.18 and 200,520.45

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Solution

The fourth proportional to 342,529.65, 514,256.18 and 200,520.45 is: 301,050.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,529.65 : 514,256.18 = 200,520.45 : x
  2. Step 2: Convert to fraction form
    342,529.65/514,256.18 = 200,520.45/x
  3. Step 3: Cross multiply
    342,529.65x = 514,256.18 × 200,520.45
  4. Step 4: Simplify right side
    342,529.65x = 103,118,879,626.28
  5. Step 5: Solve for x
    x = 103,118,879,626.28/342,529.65
  6. Step 6: Final answer
    x = 301,050.96

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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.