Home / 306,313.30-459,409.36-291,123.16

Finding the Fourth Proportional to 306,313.30, 459,409.36 and 291,123.16

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Solution

The fourth proportional to 306,313.30, 459,409.36 and 291,123.16 is: 436,627.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,313.30 : 459,409.36 = 291,123.16 : x
  2. Step 2: Convert to fraction form
    306,313.30/459,409.36 = 291,123.16/x
  3. Step 3: Cross multiply
    306,313.30x = 459,409.36 × 291,123.16
  4. Step 4: Simplify right side
    306,313.30x = 133,744,704,616.78
  5. Step 5: Solve for x
    x = 133,744,704,616.78/306,313.30
  6. Step 6: Final answer
    x = 436,627.15

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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.