Home / 405,461.85-559,514.75-224,163.20

Finding the Fourth Proportional to 405,461.85, 559,514.75 and 224,163.20

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Solution

The fourth proportional to 405,461.85, 559,514.75 and 224,163.20 is: 309,332.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,461.85 : 559,514.75 = 224,163.20 : x
  2. Step 2: Convert to fraction form
    405,461.85/559,514.75 = 224,163.20/x
  3. Step 3: Cross multiply
    405,461.85x = 559,514.75 × 224,163.20
  4. Step 4: Simplify right side
    405,461.85x = 125,422,612,888.81
  5. Step 5: Solve for x
    x = 125,422,612,888.81/405,461.85
  6. Step 6: Final answer
    x = 309,332.71

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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.