Home / 405,454.15-559,483.86-224,136.85

Finding the Fourth Proportional to 405,454.15, 559,483.86 and 224,136.85

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Solution

The fourth proportional to 405,454.15, 559,483.86 and 224,136.85 is: 309,285.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,454.15 : 559,483.86 = 224,136.85 : x
  2. Step 2: Convert to fraction form
    405,454.15/559,483.86 = 224,136.85/x
  3. Step 3: Cross multiply
    405,454.15x = 559,483.86 × 224,136.85
  4. Step 4: Simplify right side
    405,454.15x = 125,400,950,006.24
  5. Step 5: Solve for x
    x = 125,400,950,006.24/405,454.15
  6. Step 6: Final answer
    x = 309,285.16

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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.