Home / 648,850.80-973,349.10-199,568.10

Finding the Fourth Proportional to 648,850.80, 973,349.10 and 199,568.10

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Solution

The fourth proportional to 648,850.80, 973,349.10 and 199,568.10 is: 299,374.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,850.80 : 973,349.10 = 199,568.10 : x
  2. Step 2: Convert to fraction form
    648,850.80/973,349.10 = 199,568.10/x
  3. Step 3: Cross multiply
    648,850.80x = 973,349.10 × 199,568.10
  4. Step 4: Simplify right side
    648,850.80x = 194,249,430,523.71
  5. Step 5: Solve for x
    x = 194,249,430,523.71/648,850.80
  6. Step 6: Final answer
    x = 299,374.57

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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.