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Finding the Fourth Proportional to 340,951.08, 507,400.97 and 329,598.50

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Solution

The fourth proportional to 340,951.08, 507,400.97 and 329,598.50 is: 490,506.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,951.08 : 507,400.97 = 329,598.50 : x
  2. Step 2: Convert to fraction form
    340,951.08/507,400.97 = 329,598.50/x
  3. Step 3: Cross multiply
    340,951.08x = 507,400.97 × 329,598.50
  4. Step 4: Simplify right side
    340,951.08x = 167,238,594,425.55
  5. Step 5: Solve for x
    x = 167,238,594,425.55/340,951.08
  6. Step 6: Final answer
    x = 490,506.13

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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.