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Finding the Fourth Proportional to 474,389.56, 654,655.26 and 259,525.72

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Solution

The fourth proportional to 474,389.56, 654,655.26 and 259,525.72 is: 358,144.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,389.56 : 654,655.26 = 259,525.72 : x
  2. Step 2: Convert to fraction form
    474,389.56/654,655.26 = 259,525.72/x
  3. Step 3: Cross multiply
    474,389.56x = 654,655.26 × 259,525.72
  4. Step 4: Simplify right side
    474,389.56x = 169,899,877,703.29
  5. Step 5: Solve for x
    x = 169,899,877,703.29/474,389.56
  6. Step 6: Final answer
    x = 358,144.22

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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.