Home / 347,266.08-520,919.28-134,035.20

Finding the Fourth Proportional to 347,266.08, 520,919.28 and 134,035.20

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Solution

The fourth proportional to 347,266.08, 520,919.28 and 134,035.20 is: 201,060.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,266.08 : 520,919.28 = 134,035.20 : x
  2. Step 2: Convert to fraction form
    347,266.08/520,919.28 = 134,035.20/x
  3. Step 3: Cross multiply
    347,266.08x = 520,919.28 × 134,035.20
  4. Step 4: Simplify right side
    347,266.08x = 69,821,519,878.66
  5. Step 5: Solve for x
    x = 69,821,519,878.66/347,266.08
  6. Step 6: Final answer
    x = 201,060.58

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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.