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Finding the Fourth Proportional to 341,803.08, 512,808.30 and 242,156.07

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Solution

The fourth proportional to 341,803.08, 512,808.30 and 242,156.07 is: 363,307.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,803.08 : 512,808.30 = 242,156.07 : x
  2. Step 2: Convert to fraction form
    341,803.08/512,808.30 = 242,156.07/x
  3. Step 3: Cross multiply
    341,803.08x = 512,808.30 × 242,156.07
  4. Step 4: Simplify right side
    341,803.08x = 124,179,642,591.38
  5. Step 5: Solve for x
    x = 124,179,642,591.38/341,803.08
  6. Step 6: Final answer
    x = 363,307.56

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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.