Home / 343,498.32-474,055.20-190,551.60

Finding the Fourth Proportional to 343,498.32, 474,055.20 and 190,551.60

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Solution

The fourth proportional to 343,498.32, 474,055.20 and 190,551.60 is: 262,976.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,498.32 : 474,055.20 = 190,551.60 : x
  2. Step 2: Convert to fraction form
    343,498.32/474,055.20 = 190,551.60/x
  3. Step 3: Cross multiply
    343,498.32x = 474,055.20 × 190,551.60
  4. Step 4: Simplify right side
    343,498.32x = 90,331,976,848.32
  5. Step 5: Solve for x
    x = 90,331,976,848.32/343,498.32
  6. Step 6: Final answer
    x = 262,976.47

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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.