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Finding the Fourth Proportional to 446,950.10, 670,457.55 and 269,074.10

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Solution

The fourth proportional to 446,950.10, 670,457.55 and 269,074.10 is: 403,630.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,950.10 : 670,457.55 = 269,074.10 : x
  2. Step 2: Convert to fraction form
    446,950.10/670,457.55 = 269,074.10/x
  3. Step 3: Cross multiply
    446,950.10x = 670,457.55 × 269,074.10
  4. Step 4: Simplify right side
    446,950.10x = 180,402,761,854.46
  5. Step 5: Solve for x
    x = 180,402,761,854.46/446,950.10
  6. Step 6: Final answer
    x = 403,630.66

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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.