Home / 306,002.10-459,003.15-211,523.70

Finding the Fourth Proportional to 306,002.10, 459,003.15 and 211,523.70

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Solution

The fourth proportional to 306,002.10, 459,003.15 and 211,523.70 is: 317,285.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,002.10 : 459,003.15 = 211,523.70 : x
  2. Step 2: Convert to fraction form
    306,002.10/459,003.15 = 211,523.70/x
  3. Step 3: Cross multiply
    306,002.10x = 459,003.15 × 211,523.70
  4. Step 4: Simplify right side
    306,002.10x = 97,090,044,599.66
  5. Step 5: Solve for x
    x = 97,090,044,599.66/306,002.10
  6. Step 6: Final answer
    x = 317,285.55

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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.