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Finding the Fourth Proportional to 347,595.60, 521,393.40 and 123,209.40

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Solution

The fourth proportional to 347,595.60, 521,393.40 and 123,209.40 is: 184,814.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,595.60 : 521,393.40 = 123,209.40 : x
  2. Step 2: Convert to fraction form
    347,595.60/521,393.40 = 123,209.40/x
  3. Step 3: Cross multiply
    347,595.60x = 521,393.40 × 123,209.40
  4. Step 4: Simplify right side
    347,595.60x = 64,240,567,977.96
  5. Step 5: Solve for x
    x = 64,240,567,977.96/347,595.60
  6. Step 6: Final answer
    x = 184,814.10

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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.