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Finding the Fourth Proportional to 560,536.21, 840,396.97 and 223,475.77

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Solution

The fourth proportional to 560,536.21, 840,396.97 and 223,475.77 is: 335,051.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,536.21 : 840,396.97 = 223,475.77 : x
  2. Step 2: Convert to fraction form
    560,536.21/840,396.97 = 223,475.77/x
  3. Step 3: Cross multiply
    560,536.21x = 840,396.97 × 223,475.77
  4. Step 4: Simplify right side
    560,536.21x = 187,808,357,169.93
  5. Step 5: Solve for x
    x = 187,808,357,169.93/560,536.21
  6. Step 6: Final answer
    x = 335,051.25

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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.