Home / 340,275-510,373.62-90,976.44

Finding the Fourth Proportional to 340,275, 510,373.62 and 90,976.44

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Solution

The fourth proportional to 340,275, 510,373.62 and 90,976.44 is: 136,454.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,275 : 510,373.62 = 90,976.44 : x
  2. Step 2: Convert to fraction form
    340,275/510,373.62 = 90,976.44/x
  3. Step 3: Cross multiply
    340,275x = 510,373.62 × 90,976.44
  4. Step 4: Simplify right side
    340,275x = 46,431,975,017.51
  5. Step 5: Solve for x
    x = 46,431,975,017.51/340,275
  6. Step 6: Final answer
    x = 136,454.26

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1.5x scale

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.