Home / 340,742.20-511,113.30-334,181.20

Finding the Fourth Proportional to 340,742.20, 511,113.30 and 334,181.20

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Solution

The fourth proportional to 340,742.20, 511,113.30 and 334,181.20 is: 501,271.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,742.20 : 511,113.30 = 334,181.20 : x
  2. Step 2: Convert to fraction form
    340,742.20/511,113.30 = 334,181.20/x
  3. Step 3: Cross multiply
    340,742.20x = 511,113.30 × 334,181.20
  4. Step 4: Simplify right side
    340,742.20x = 170,804,455,929.96
  5. Step 5: Solve for x
    x = 170,804,455,929.96/340,742.20
  6. Step 6: Final answer
    x = 501,271.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.