Home / 405,700.07-559,859.19-224,411.85

Finding the Fourth Proportional to 405,700.07, 559,859.19 and 224,411.85

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Solution

The fourth proportional to 405,700.07, 559,859.19 and 224,411.85 is: 309,684.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,700.07 : 559,859.19 = 224,411.85 : x
  2. Step 2: Convert to fraction form
    405,700.07/559,859.19 = 224,411.85/x
  3. Step 3: Cross multiply
    405,700.07x = 559,859.19 × 224,411.85
  4. Step 4: Simplify right side
    405,700.07x = 125,639,036,567.40
  5. Step 5: Solve for x
    x = 125,639,036,567.40/405,700.07
  6. Step 6: Final answer
    x = 309,684.53

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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.