Home / 306,313.16-459,409.18-291,123.02

Finding the Fourth Proportional to 306,313.16, 459,409.18 and 291,123.02

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Solution

The fourth proportional to 306,313.16, 459,409.18 and 291,123.02 is: 436,626.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    306,313.16 : 459,409.18 = 291,123.02 : x
  2. Step 2: Convert to fraction form
    306,313.16/459,409.18 = 291,123.02/x
  3. Step 3: Cross multiply
    306,313.16x = 459,409.18 × 291,123.02
  4. Step 4: Simplify right side
    306,313.16x = 133,744,587,897.32
  5. Step 5: Solve for x
    x = 133,744,587,897.32/306,313.16
  6. Step 6: Final answer
    x = 436,626.97

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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.