Home / 405,104.02-559,035.75-223,823.86

Finding the Fourth Proportional to 405,104.02, 559,035.75 and 223,823.86

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Solution

The fourth proportional to 405,104.02, 559,035.75 and 223,823.86 is: 308,872.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,104.02 : 559,035.75 = 223,823.86 : x
  2. Step 2: Convert to fraction form
    405,104.02/559,035.75 = 223,823.86/x
  3. Step 3: Cross multiply
    405,104.02x = 559,035.75 × 223,823.86
  4. Step 4: Simplify right side
    405,104.02x = 125,125,539,443.00
  5. Step 5: Solve for x
    x = 125,125,539,443.00/405,104.02
  6. Step 6: Final answer
    x = 308,872.62

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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.