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Finding the Fourth Proportional to 340,354.08, 510,071.04 and 245,746.08

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Solution

The fourth proportional to 340,354.08, 510,071.04 and 245,746.08 is: 368,286.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,354.08 : 510,071.04 = 245,746.08 : x
  2. Step 2: Convert to fraction form
    340,354.08/510,071.04 = 245,746.08/x
  3. Step 3: Cross multiply
    340,354.08x = 510,071.04 × 245,746.08
  4. Step 4: Simplify right side
    340,354.08x = 125,347,958,601.52
  5. Step 5: Solve for x
    x = 125,347,958,601.52/340,354.08
  6. Step 6: Final answer
    x = 368,286.93

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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.