Home / 318,999.12-440,224.48-175,758.24

Finding the Fourth Proportional to 318,999.12, 440,224.48 and 175,758.24

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Solution

The fourth proportional to 318,999.12, 440,224.48 and 175,758.24 is: 242,549.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,999.12 : 440,224.48 = 175,758.24 : x
  2. Step 2: Convert to fraction form
    318,999.12/440,224.48 = 175,758.24/x
  3. Step 3: Cross multiply
    318,999.12x = 440,224.48 × 175,758.24
  4. Step 4: Simplify right side
    318,999.12x = 77,373,079,809.72
  5. Step 5: Solve for x
    x = 77,373,079,809.72/318,999.12
  6. Step 6: Final answer
    x = 242,549.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.