Home / 353,790.40-487,400.16-246,175.60

Finding the Fourth Proportional to 353,790.40, 487,400.16 and 246,175.60

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Solution

The fourth proportional to 353,790.40, 487,400.16 and 246,175.60 is: 339,144.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,790.40 : 487,400.16 = 246,175.60 : x
  2. Step 2: Convert to fraction form
    353,790.40/487,400.16 = 246,175.60/x
  3. Step 3: Cross multiply
    353,790.40x = 487,400.16 × 246,175.60
  4. Step 4: Simplify right side
    353,790.40x = 119,986,026,828.10
  5. Step 5: Solve for x
    x = 119,986,026,828.10/353,790.40
  6. Step 6: Final answer
    x = 339,144.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.