Home / 254,948.50-382,430.85-77,457.05

Finding the Fourth Proportional to 254,948.50, 382,430.85 and 77,457.05

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Solution

The fourth proportional to 254,948.50, 382,430.85 and 77,457.05 is: 116,188.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,948.50 : 382,430.85 = 77,457.05 : x
  2. Step 2: Convert to fraction form
    254,948.50/382,430.85 = 77,457.05/x
  3. Step 3: Cross multiply
    254,948.50x = 382,430.85 × 77,457.05
  4. Step 4: Simplify right side
    254,948.50x = 29,621,965,469.99
  5. Step 5: Solve for x
    x = 29,621,965,469.99/254,948.50
  6. Step 6: Final answer
    x = 116,188.04

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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.