Home / 306,056.10-459,084.15-211,577.70

Finding the Fourth Proportional to 306,056.10, 459,084.15 and 211,577.70

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Solution

The fourth proportional to 306,056.10, 459,084.15 and 211,577.70 is: 317,366.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,056.10 : 459,084.15 = 211,577.70 : x
  2. Step 2: Convert to fraction form
    306,056.10/459,084.15 = 211,577.70/x
  3. Step 3: Cross multiply
    306,056.10x = 459,084.15 × 211,577.70
  4. Step 4: Simplify right side
    306,056.10x = 97,131,968,563.46
  5. Step 5: Solve for x
    x = 97,131,968,563.46/306,056.10
  6. Step 6: Final answer
    x = 317,366.55

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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.