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Finding the Fourth Proportional to 450,003.80, 675,012.90 and 117,579.80

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Solution

The fourth proportional to 450,003.80, 675,012.90 and 117,579.80 is: 176,371.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,003.80 : 675,012.90 = 117,579.80 : x
  2. Step 2: Convert to fraction form
    450,003.80/675,012.90 = 117,579.80/x
  3. Step 3: Cross multiply
    450,003.80x = 675,012.90 × 117,579.80
  4. Step 4: Simplify right side
    450,003.80x = 79,367,881,779.42
  5. Step 5: Solve for x
    x = 79,367,881,779.42/450,003.80
  6. Step 6: Final answer
    x = 176,371.58

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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.