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Finding the Fourth Proportional to 453,529.72, 625,875.71 and 259,933.24

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Solution

The fourth proportional to 453,529.72, 625,875.71 and 259,933.24 is: 358,710.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,529.72 : 625,875.71 = 259,933.24 : x
  2. Step 2: Convert to fraction form
    453,529.72/625,875.71 = 259,933.24/x
  3. Step 3: Cross multiply
    453,529.72x = 625,875.71 × 259,933.24
  4. Step 4: Simplify right side
    453,529.72x = 162,685,901,137.60
  5. Step 5: Solve for x
    x = 162,685,901,137.60/453,529.72
  6. Step 6: Final answer
    x = 358,710.56

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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.