Home / 347,153.10-520,729.65-97,835.10

Finding the Fourth Proportional to 347,153.10, 520,729.65 and 97,835.10

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Solution

The fourth proportional to 347,153.10, 520,729.65 and 97,835.10 is: 146,752.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,153.10 : 520,729.65 = 97,835.10 : x
  2. Step 2: Convert to fraction form
    347,153.10/520,729.65 = 97,835.10/x
  3. Step 3: Cross multiply
    347,153.10x = 520,729.65 × 97,835.10
  4. Step 4: Simplify right side
    347,153.10x = 50,945,637,380.72
  5. Step 5: Solve for x
    x = 50,945,637,380.72/347,153.10
  6. Step 6: Final answer
    x = 146,752.65

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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.