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Finding the Fourth Proportional to 341,610.30, 512,415.45 and 288,466.20

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Solution

The fourth proportional to 341,610.30, 512,415.45 and 288,466.20 is: 432,699.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,610.30 : 512,415.45 = 288,466.20 : x
  2. Step 2: Convert to fraction form
    341,610.30/512,415.45 = 288,466.20/x
  3. Step 3: Cross multiply
    341,610.30x = 512,415.45 × 288,466.20
  4. Step 4: Simplify right side
    341,610.30x = 147,814,537,682.79
  5. Step 5: Solve for x
    x = 147,814,537,682.79/341,610.30
  6. Step 6: Final answer
    x = 432,699.30

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1.5x scale

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.