Home / 351,488.07-485,051.13-190,339.44

Finding the Fourth Proportional to 351,488.07, 485,051.13 and 190,339.44

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Solution

The fourth proportional to 351,488.07, 485,051.13 and 190,339.44 is: 262,667.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,488.07 : 485,051.13 = 190,339.44 : x
  2. Step 2: Convert to fraction form
    351,488.07/485,051.13 = 190,339.44/x
  3. Step 3: Cross multiply
    351,488.07x = 485,051.13 × 190,339.44
  4. Step 4: Simplify right side
    351,488.07x = 92,324,360,455.57
  5. Step 5: Solve for x
    x = 92,324,360,455.57/351,488.07
  6. Step 6: Final answer
    x = 262,667.12

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1.5x scale

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.