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Finding the Fourth Proportional to 636,089.32, 954,133.98 and 236,719.72

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Solution

The fourth proportional to 636,089.32, 954,133.98 and 236,719.72 is: 355,079.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,089.32 : 954,133.98 = 236,719.72 : x
  2. Step 2: Convert to fraction form
    636,089.32/954,133.98 = 236,719.72/x
  3. Step 3: Cross multiply
    636,089.32x = 954,133.98 × 236,719.72
  4. Step 4: Simplify right side
    636,089.32x = 225,862,328,588.09
  5. Step 5: Solve for x
    x = 225,862,328,588.09/636,089.32
  6. Step 6: Final answer
    x = 355,079.58

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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.