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Finding the Fourth Proportional to 283,295.32, 425,205.42 and 143,152.36

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Solution

The fourth proportional to 283,295.32, 425,205.42 and 143,152.36 is: 214,861.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    283,295.32 : 425,205.42 = 143,152.36 : x
  2. Step 2: Convert to fraction form
    283,295.32/425,205.42 = 143,152.36/x
  3. Step 3: Cross multiply
    283,295.32x = 425,205.42 × 143,152.36
  4. Step 4: Simplify right side
    283,295.32x = 60,869,159,357.79
  5. Step 5: Solve for x
    x = 60,869,159,357.79/283,295.32
  6. Step 6: Final answer
    x = 214,861.15

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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.