Home / 446,998.30-670,354.89-147,423.04

Finding the Fourth Proportional to 446,998.30, 670,354.89 and 147,423.04

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Solution

The fourth proportional to 446,998.30, 670,354.89 and 147,423.04 is: 221,087.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,998.30 : 670,354.89 = 147,423.04 : x
  2. Step 2: Convert to fraction form
    446,998.30/670,354.89 = 147,423.04/x
  3. Step 3: Cross multiply
    446,998.30x = 670,354.89 × 147,423.04
  4. Step 4: Simplify right side
    446,998.30x = 98,825,755,762.67
  5. Step 5: Solve for x
    x = 98,825,755,762.67/446,998.30
  6. Step 6: Final answer
    x = 221,087.54

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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.