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Finding the Fourth Proportional to 450,751.72, 621,855.07 and 269,360.12

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Solution

The fourth proportional to 450,751.72, 621,855.07 and 269,360.12 is: 371,608.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,751.72 : 621,855.07 = 269,360.12 : x
  2. Step 2: Convert to fraction form
    450,751.72/621,855.07 = 269,360.12/x
  3. Step 3: Cross multiply
    450,751.72x = 621,855.07 × 269,360.12
  4. Step 4: Simplify right side
    450,751.72x = 167,502,956,277.81
  5. Step 5: Solve for x
    x = 167,502,956,277.81/450,751.72
  6. Step 6: Final answer
    x = 371,608.02

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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.