Home / 343,400.46-473,907.96-190,428.36

Finding the Fourth Proportional to 343,400.46, 473,907.96 and 190,428.36

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Solution

The fourth proportional to 343,400.46, 473,907.96 and 190,428.36 is: 262,799.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,400.46 : 473,907.96 = 190,428.36 : x
  2. Step 2: Convert to fraction form
    343,400.46/473,907.96 = 190,428.36/x
  3. Step 3: Cross multiply
    343,400.46x = 473,907.96 × 190,428.36
  4. Step 4: Simplify right side
    343,400.46x = 90,245,515,613.75
  5. Step 5: Solve for x
    x = 90,245,515,613.75/343,400.46
  6. Step 6: Final answer
    x = 262,799.64

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1.5x scale

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.