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Finding the Fourth Proportional to 369,618.72, 510,071.36 and 208,475.10

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Solution

The fourth proportional to 369,618.72, 510,071.36 and 208,475.10 is: 287,694.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,618.72 : 510,071.36 = 208,475.10 : x
  2. Step 2: Convert to fraction form
    369,618.72/510,071.36 = 208,475.10/x
  3. Step 3: Cross multiply
    369,618.72x = 510,071.36 × 208,475.10
  4. Step 4: Simplify right side
    369,618.72x = 106,337,177,783.14
  5. Step 5: Solve for x
    x = 106,337,177,783.14/369,618.72
  6. Step 6: Final answer
    x = 287,694.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.