Home / 343,318.83-473,829.02-190,391.03

Finding the Fourth Proportional to 343,318.83, 473,829.02 and 190,391.03

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Solution

The fourth proportional to 343,318.83, 473,829.02 and 190,391.03 is: 262,766.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,318.83 : 473,829.02 = 190,391.03 : x
  2. Step 2: Convert to fraction form
    343,318.83/473,829.02 = 190,391.03/x
  3. Step 3: Cross multiply
    343,318.83x = 473,829.02 × 190,391.03
  4. Step 4: Simplify right side
    343,318.83x = 90,212,793,617.45
  5. Step 5: Solve for x
    x = 90,212,793,617.45/343,318.83
  6. Step 6: Final answer
    x = 262,766.81

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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.