Home / 347,428.08-521,171.28-110,804.40

Finding the Fourth Proportional to 347,428.08, 521,171.28 and 110,804.40

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Solution

The fourth proportional to 347,428.08, 521,171.28 and 110,804.40 is: 166,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,428.08 : 521,171.28 = 110,804.40 : x
  2. Step 2: Convert to fraction form
    347,428.08/521,171.28 = 110,804.40/x
  3. Step 3: Cross multiply
    347,428.08x = 521,171.28 × 110,804.40
  4. Step 4: Simplify right side
    347,428.08x = 57,748,070,977.63
  5. Step 5: Solve for x
    x = 57,748,070,977.63/347,428.08
  6. Step 6: Final answer
    x = 166,215.90

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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.