Home / 446,799.40-669,968.70-166,172.20

Finding the Fourth Proportional to 446,799.40, 669,968.70 and 166,172.20

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Solution

The fourth proportional to 446,799.40, 669,968.70 and 166,172.20 is: 249,172.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,799.40 : 669,968.70 = 166,172.20 : x
  2. Step 2: Convert to fraction form
    446,799.40/669,968.70 = 166,172.20/x
  3. Step 3: Cross multiply
    446,799.40x = 669,968.70 × 166,172.20
  4. Step 4: Simplify right side
    446,799.40x = 111,330,172,810.14
  5. Step 5: Solve for x
    x = 111,330,172,810.14/446,799.40
  6. Step 6: Final answer
    x = 249,172.61

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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.