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Finding the Fourth Proportional to 346,029.40, 519,044.10 and 325,034.20

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Solution

The fourth proportional to 346,029.40, 519,044.10 and 325,034.20 is: 487,551.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,029.40 : 519,044.10 = 325,034.20 : x
  2. Step 2: Convert to fraction form
    346,029.40/519,044.10 = 325,034.20/x
  3. Step 3: Cross multiply
    346,029.40x = 519,044.10 × 325,034.20
  4. Step 4: Simplify right side
    346,029.40x = 168,707,083,808.22
  5. Step 5: Solve for x
    x = 168,707,083,808.22/346,029.40
  6. Step 6: Final answer
    x = 487,551.30

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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.