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Finding the Fourth Proportional to 301,038.18, 451,241.19 and 101,289.22

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Solution

The fourth proportional to 301,038.18, 451,241.19 and 101,289.22 is: 151,827.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,038.18 : 451,241.19 = 101,289.22 : x
  2. Step 2: Convert to fraction form
    301,038.18/451,241.19 = 101,289.22/x
  3. Step 3: Cross multiply
    301,038.18x = 451,241.19 × 101,289.22
  4. Step 4: Simplify right side
    301,038.18x = 45,705,868,166.97
  5. Step 5: Solve for x
    x = 45,705,868,166.97/301,038.18
  6. Step 6: Final answer
    x = 151,827.48

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1.5x scale

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.