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Finding the Fourth Proportional to 259,953.88, 358,719.16 and 151,048.56

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Solution

The fourth proportional to 259,953.88, 358,719.16 and 151,048.56 is: 208,437.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,953.88 : 358,719.16 = 151,048.56 : x
  2. Step 2: Convert to fraction form
    259,953.88/358,719.16 = 151,048.56/x
  3. Step 3: Cross multiply
    259,953.88x = 358,719.16 × 151,048.56
  4. Step 4: Simplify right side
    259,953.88x = 54,184,012,562.41
  5. Step 5: Solve for x
    x = 54,184,012,562.41/259,953.88
  6. Step 6: Final answer
    x = 208,437.02

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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.