Home / 343,078.20-473,434.07-190,118.61

Finding the Fourth Proportional to 343,078.20, 473,434.07 and 190,118.61

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Solution

The fourth proportional to 343,078.20, 473,434.07 and 190,118.61 is: 262,356.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,078.20 : 473,434.07 = 190,118.61 : x
  2. Step 2: Convert to fraction form
    343,078.20/473,434.07 = 190,118.61/x
  3. Step 3: Cross multiply
    343,078.20x = 473,434.07 × 190,118.61
  4. Step 4: Simplify right side
    343,078.20x = 90,008,626,364.45
  5. Step 5: Solve for x
    x = 90,008,626,364.45/343,078.20
  6. Step 6: Final answer
    x = 262,356.01

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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.