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Finding the Fourth Proportional to 397,900.56, 596,675.72 and 210,868.24

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Solution

The fourth proportional to 397,900.56, 596,675.72 and 210,868.24 is: 316,209.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,900.56 : 596,675.72 = 210,868.24 : x
  2. Step 2: Convert to fraction form
    397,900.56/596,675.72 = 210,868.24/x
  3. Step 3: Cross multiply
    397,900.56x = 596,675.72 × 210,868.24
  4. Step 4: Simplify right side
    397,900.56x = 125,819,958,927.13
  5. Step 5: Solve for x
    x = 125,819,958,927.13/397,900.56
  6. Step 6: Final answer
    x = 316,209.55

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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.