Home / 343,739.45-474,328.86-190,775.20

Finding the Fourth Proportional to 343,739.45, 474,328.86 and 190,775.20

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Solution

The fourth proportional to 343,739.45, 474,328.86 and 190,775.20 is: 263,252.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,739.45 : 474,328.86 = 190,775.20 : x
  2. Step 2: Convert to fraction form
    343,739.45/474,328.86 = 190,775.20/x
  3. Step 3: Cross multiply
    343,739.45x = 474,328.86 × 190,775.20
  4. Step 4: Simplify right side
    343,739.45x = 90,490,183,193.52
  5. Step 5: Solve for x
    x = 90,490,183,193.52/343,739.45
  6. Step 6: Final answer
    x = 263,252.25

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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.