Home / 405,294.18-559,334.93-224,002.21

Finding the Fourth Proportional to 405,294.18, 559,334.93 and 224,002.21

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Solution

The fourth proportional to 405,294.18, 559,334.93 and 224,002.21 is: 309,139.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,294.18 : 559,334.93 = 224,002.21 : x
  2. Step 2: Convert to fraction form
    405,294.18/559,334.93 = 224,002.21/x
  3. Step 3: Cross multiply
    405,294.18x = 559,334.93 × 224,002.21
  4. Step 4: Simplify right side
    405,294.18x = 125,292,260,450.20
  5. Step 5: Solve for x
    x = 125,292,260,450.20/405,294.18
  6. Step 6: Final answer
    x = 309,139.06

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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.