Home / 403,040.07-603,068.90-243,208.44

Finding the Fourth Proportional to 403,040.07, 603,068.90 and 243,208.44

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Solution

The fourth proportional to 403,040.07, 603,068.90 and 243,208.44 is: 363,912.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,040.07 : 603,068.90 = 243,208.44 : x
  2. Step 2: Convert to fraction form
    403,040.07/603,068.90 = 243,208.44/x
  3. Step 3: Cross multiply
    403,040.07x = 603,068.90 × 243,208.44
  4. Step 4: Simplify right side
    403,040.07x = 146,671,445,165.47
  5. Step 5: Solve for x
    x = 146,671,445,165.47/403,040.07
  6. Step 6: Final answer
    x = 363,912.81

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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.