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Finding the Fourth Proportional to 405,510.27, 559,581.60 and 224,211.30

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Solution

The fourth proportional to 405,510.27, 559,581.60 and 224,211.30 is: 309,399.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,510.27 : 559,581.60 = 224,211.30 : x
  2. Step 2: Convert to fraction form
    405,510.27/559,581.60 = 224,211.30/x
  3. Step 3: Cross multiply
    405,510.27x = 559,581.60 × 224,211.30
  4. Step 4: Simplify right side
    405,510.27x = 125,464,517,992.08
  5. Step 5: Solve for x
    x = 125,464,517,992.08/405,510.27
  6. Step 6: Final answer
    x = 309,399.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.