Home / 446,981.90-670,457.91-194,262.60

Finding the Fourth Proportional to 446,981.90, 670,457.91 and 194,262.60

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Solution

The fourth proportional to 446,981.90, 670,457.91 and 194,262.60 is: 291,387.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,981.90 : 670,457.91 = 194,262.60 : x
  2. Step 2: Convert to fraction form
    446,981.90/670,457.91 = 194,262.60/x
  3. Step 3: Cross multiply
    446,981.90x = 670,457.91 × 194,262.60
  4. Step 4: Simplify right side
    446,981.90x = 130,244,898,937.14
  5. Step 5: Solve for x
    x = 130,244,898,937.14/446,981.90
  6. Step 6: Final answer
    x = 291,387.42

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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.