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Finding the Fourth Proportional to 260,037, 390,055.50 and 63,045

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Solution

The fourth proportional to 260,037, 390,055.50 and 63,045 is: 94,567.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,037 : 390,055.50 = 63,045 : x
  2. Step 2: Convert to fraction form
    260,037/390,055.50 = 63,045/x
  3. Step 3: Cross multiply
    260,037x = 390,055.50 × 63,045
  4. Step 4: Simplify right side
    260,037x = 24,591,048,997.50
  5. Step 5: Solve for x
    x = 24,591,048,997.50/260,037
  6. Step 6: Final answer
    x = 94,567.50

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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.