Home / 303,670.24-452,387.60-290,023.36

Finding the Fourth Proportional to 303,670.24, 452,387.60 and 290,023.36

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Solution

The fourth proportional to 303,670.24, 452,387.60 and 290,023.36 is: 432,057.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,670.24 : 452,387.60 = 290,023.36 : x
  2. Step 2: Convert to fraction form
    303,670.24/452,387.60 = 290,023.36/x
  3. Step 3: Cross multiply
    303,670.24x = 452,387.60 × 290,023.36
  4. Step 4: Simplify right side
    303,670.24x = 131,202,971,774.34
  5. Step 5: Solve for x
    x = 131,202,971,774.34/303,670.24
  6. Step 6: Final answer
    x = 432,057.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.