Home / 423,245.10-635,032.86-186,421.74

Finding the Fourth Proportional to 423,245.10, 635,032.86 and 186,421.74

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Solution

The fourth proportional to 423,245.10, 635,032.86 and 186,421.74 is: 279,705.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,245.10 : 635,032.86 = 186,421.74 : x
  2. Step 2: Convert to fraction form
    423,245.10/635,032.86 = 186,421.74/x
  3. Step 3: Cross multiply
    423,245.10x = 635,032.86 × 186,421.74
  4. Step 4: Simplify right side
    423,245.10x = 118,383,930,718.38
  5. Step 5: Solve for x
    x = 118,383,930,718.38/423,245.10
  6. Step 6: Final answer
    x = 279,705.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.