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Finding the Fourth Proportional to 636,101.21, 954,624.83 and 257,025.24

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Solution

The fourth proportional to 636,101.21, 954,624.83 and 257,025.24 is: 385,728.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,101.21 : 954,624.83 = 257,025.24 : x
  2. Step 2: Convert to fraction form
    636,101.21/954,624.83 = 257,025.24/x
  3. Step 3: Cross multiply
    636,101.21x = 954,624.83 × 257,025.24
  4. Step 4: Simplify right side
    636,101.21x = 245,362,671,175.74
  5. Step 5: Solve for x
    x = 245,362,671,175.74/636,101.21
  6. Step 6: Final answer
    x = 385,728.98

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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.