Home / 297,292.74-446,007.26-128,841.36

Finding the Fourth Proportional to 297,292.74, 446,007.26 and 128,841.36

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Solution

The fourth proportional to 297,292.74, 446,007.26 and 128,841.36 is: 193,291.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,292.74 : 446,007.26 = 128,841.36 : x
  2. Step 2: Convert to fraction form
    297,292.74/446,007.26 = 128,841.36/x
  3. Step 3: Cross multiply
    297,292.74x = 446,007.26 × 128,841.36
  4. Step 4: Simplify right side
    297,292.74x = 57,464,181,948.27
  5. Step 5: Solve for x
    x = 57,464,181,948.27/297,292.74
  6. Step 6: Final answer
    x = 193,291.57

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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.