Home / 672,038.40-1,008,057.60-198,681.60

Finding the Fourth Proportional to 672,038.40, 1,008,057.60 and 198,681.60

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Solution

The fourth proportional to 672,038.40, 1,008,057.60 and 198,681.60 is: 298,022.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,038.40 : 1,008,057.60 = 198,681.60 : x
  2. Step 2: Convert to fraction form
    672,038.40/1,008,057.60 = 198,681.60/x
  3. Step 3: Cross multiply
    672,038.40x = 1,008,057.60 × 198,681.60
  4. Step 4: Simplify right side
    672,038.40x = 200,282,496,860.16
  5. Step 5: Solve for x
    x = 200,282,496,860.16/672,038.40
  6. Step 6: Final answer
    x = 298,022.40

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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.