Home / 279,197.84-385,296.02-151,873.76

Finding the Fourth Proportional to 279,197.84, 385,296.02 and 151,873.76

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Solution

The fourth proportional to 279,197.84, 385,296.02 and 151,873.76 is: 209,587.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,197.84 : 385,296.02 = 151,873.76 : x
  2. Step 2: Convert to fraction form
    279,197.84/385,296.02 = 151,873.76/x
  3. Step 3: Cross multiply
    279,197.84x = 385,296.02 × 151,873.76
  4. Step 4: Simplify right side
    279,197.84x = 58,516,355,270.44
  5. Step 5: Solve for x
    x = 58,516,355,270.44/279,197.84
  6. Step 6: Final answer
    x = 209,587.42

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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.