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Finding the Fourth Proportional to 329,699.58, 494,535.69 and 152,147.58

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Solution

The fourth proportional to 329,699.58, 494,535.69 and 152,147.58 is: 228,215.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,699.58 : 494,535.69 = 152,147.58 : x
  2. Step 2: Convert to fraction form
    329,699.58/494,535.69 = 152,147.58/x
  3. Step 3: Cross multiply
    329,699.58x = 494,535.69 × 152,147.58
  4. Step 4: Simplify right side
    329,699.58x = 75,242,408,457.13
  5. Step 5: Solve for x
    x = 75,242,408,457.13/329,699.58
  6. Step 6: Final answer
    x = 228,215.06

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1.5x scale

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.