Home / 343,790.36-474,434.34-190,831.40

Finding the Fourth Proportional to 343,790.36, 474,434.34 and 190,831.40

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Solution

The fourth proportional to 343,790.36, 474,434.34 and 190,831.40 is: 263,349.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,790.36 : 474,434.34 = 190,831.40 : x
  2. Step 2: Convert to fraction form
    343,790.36/474,434.34 = 190,831.40/x
  3. Step 3: Cross multiply
    343,790.36x = 474,434.34 × 190,831.40
  4. Step 4: Simplify right side
    343,790.36x = 90,536,969,310.28
  5. Step 5: Solve for x
    x = 90,536,969,310.28/343,790.36
  6. Step 6: Final answer
    x = 263,349.35

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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.