Home / 306,143.40-459,215.10-95,845.80

Finding the Fourth Proportional to 306,143.40, 459,215.10 and 95,845.80

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Solution

The fourth proportional to 306,143.40, 459,215.10 and 95,845.80 is: 143,768.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,143.40 : 459,215.10 = 95,845.80 : x
  2. Step 2: Convert to fraction form
    306,143.40/459,215.10 = 95,845.80/x
  3. Step 3: Cross multiply
    306,143.40x = 459,215.10 × 95,845.80
  4. Step 4: Simplify right side
    306,143.40x = 44,013,838,631.58
  5. Step 5: Solve for x
    x = 44,013,838,631.58/306,143.40
  6. Step 6: Final answer
    x = 143,768.70

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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.