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Finding the Fourth Proportional to 340,841.04, 507,238.23 and 329,488.95

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Solution

The fourth proportional to 340,841.04, 507,238.23 and 329,488.95 is: 490,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,841.04 : 507,238.23 = 329,488.95 : x
  2. Step 2: Convert to fraction form
    340,841.04/507,238.23 = 329,488.95/x
  3. Step 3: Cross multiply
    340,841.04x = 507,238.23 × 329,488.95
  4. Step 4: Simplify right side
    340,841.04x = 167,129,391,802.56
  5. Step 5: Solve for x
    x = 167,129,391,802.56/340,841.04
  6. Step 6: Final answer
    x = 490,344.10

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.