Home / 448,513.18-672,880.50-132,970.07

Finding the Fourth Proportional to 448,513.18, 672,880.50 and 132,970.07

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Solution

The fourth proportional to 448,513.18, 672,880.50 and 132,970.07 is: 199,487.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,513.18 : 672,880.50 = 132,970.07 : x
  2. Step 2: Convert to fraction form
    448,513.18/672,880.50 = 132,970.07/x
  3. Step 3: Cross multiply
    448,513.18x = 672,880.50 × 132,970.07
  4. Step 4: Simplify right side
    448,513.18x = 89,472,968,868.84
  5. Step 5: Solve for x
    x = 89,472,968,868.84/448,513.18
  6. Step 6: Final answer
    x = 199,487.94

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.