Home / 447,989.40-671,975.46-111,030.75

Finding the Fourth Proportional to 447,989.40, 671,975.46 and 111,030.75

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Solution

The fourth proportional to 447,989.40, 671,975.46 and 111,030.75 is: 166,543.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,989.40 : 671,975.46 = 111,030.75 : x
  2. Step 2: Convert to fraction form
    447,989.40/671,975.46 = 111,030.75/x
  3. Step 3: Cross multiply
    447,989.40x = 671,975.46 × 111,030.75
  4. Step 4: Simplify right side
    447,989.40x = 74,609,939,305.40
  5. Step 5: Solve for x
    x = 74,609,939,305.40/447,989.40
  6. Step 6: Final answer
    x = 166,543.98

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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.