Home / 347,464.30-521,196.45-328,110.70

Finding the Fourth Proportional to 347,464.30, 521,196.45 and 328,110.70

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Solution

The fourth proportional to 347,464.30, 521,196.45 and 328,110.70 is: 492,166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,464.30 : 521,196.45 = 328,110.70 : x
  2. Step 2: Convert to fraction form
    347,464.30/521,196.45 = 328,110.70/x
  3. Step 3: Cross multiply
    347,464.30x = 521,196.45 × 328,110.70
  4. Step 4: Simplify right side
    347,464.30x = 171,010,132,047.02
  5. Step 5: Solve for x
    x = 171,010,132,047.02/347,464.30
  6. Step 6: Final answer
    x = 492,166.05

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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.