Home / 302,122.72-453,307.02-194,172.94

Finding the Fourth Proportional to 302,122.72, 453,307.02 and 194,172.94

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Solution

The fourth proportional to 302,122.72, 453,307.02 and 194,172.94 is: 291,338.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,122.72 : 453,307.02 = 194,172.94 : x
  2. Step 2: Convert to fraction form
    302,122.72/453,307.02 = 194,172.94/x
  3. Step 3: Cross multiply
    302,122.72x = 453,307.02 × 194,172.94
  4. Step 4: Simplify right side
    302,122.72x = 88,019,956,796.04
  5. Step 5: Solve for x
    x = 88,019,956,796.04/302,122.72
  6. Step 6: Final answer
    x = 291,338.42

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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.