Home / 348,530.30-521,629.05-243,554.30

Finding the Fourth Proportional to 348,530.30, 521,629.05 and 243,554.30

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Solution

The fourth proportional to 348,530.30, 521,629.05 and 243,554.30 is: 364,516.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,530.30 : 521,629.05 = 243,554.30 : x
  2. Step 2: Convert to fraction form
    348,530.30/521,629.05 = 243,554.30/x
  3. Step 3: Cross multiply
    348,530.30x = 521,629.05 × 243,554.30
  4. Step 4: Simplify right side
    348,530.30x = 127,044,998,132.42
  5. Step 5: Solve for x
    x = 127,044,998,132.42/348,530.30
  6. Step 6: Final answer
    x = 364,516.37

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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.