Home / 405,520.37-559,612.29-224,228.33

Finding the Fourth Proportional to 405,520.37, 559,612.29 and 224,228.33

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Solution

The fourth proportional to 405,520.37, 559,612.29 and 224,228.33 is: 309,431.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,520.37 : 559,612.29 = 224,228.33 : x
  2. Step 2: Convert to fraction form
    405,520.37/559,612.29 = 224,228.33/x
  3. Step 3: Cross multiply
    405,520.37x = 559,612.29 × 224,228.33
  4. Step 4: Simplify right side
    405,520.37x = 125,480,927,801.61
  5. Step 5: Solve for x
    x = 125,480,927,801.61/405,520.37
  6. Step 6: Final answer
    x = 309,431.87

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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.