Home / 347,118.02-520,138.46-240,709.53

Finding the Fourth Proportional to 347,118.02, 520,138.46 and 240,709.53

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Solution

The fourth proportional to 347,118.02, 520,138.46 and 240,709.53 is: 360,690.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,118.02 : 520,138.46 = 240,709.53 : x
  2. Step 2: Convert to fraction form
    347,118.02/520,138.46 = 240,709.53/x
  3. Step 3: Cross multiply
    347,118.02x = 520,138.46 × 240,709.53
  4. Step 4: Simplify right side
    347,118.02x = 125,202,283,037.98
  5. Step 5: Solve for x
    x = 125,202,283,037.98/347,118.02
  6. Step 6: Final answer
    x = 360,690.82

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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.