Home / 219,543.17-302,861.03-151,629.53

Finding the Fourth Proportional to 219,543.17, 302,861.03 and 151,629.53

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Solution

The fourth proportional to 219,543.17, 302,861.03 and 151,629.53 is: 209,173.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,543.17 : 302,861.03 = 151,629.53 : x
  2. Step 2: Convert to fraction form
    219,543.17/302,861.03 = 151,629.53/x
  3. Step 3: Cross multiply
    219,543.17x = 302,861.03 × 151,629.53
  4. Step 4: Simplify right side
    219,543.17x = 45,922,673,361.76
  5. Step 5: Solve for x
    x = 45,922,673,361.76/219,543.17
  6. Step 6: Final answer
    x = 209,173.78

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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.