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Finding the Fourth Proportional to 369,791.84, 510,312.84 and 208,681.04

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Solution

The fourth proportional to 369,791.84, 510,312.84 and 208,681.04 is: 287,979.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,791.84 : 510,312.84 = 208,681.04 : x
  2. Step 2: Convert to fraction form
    369,791.84/510,312.84 = 208,681.04/x
  3. Step 3: Cross multiply
    369,791.84x = 510,312.84 × 208,681.04
  4. Step 4: Simplify right side
    369,791.84x = 106,492,614,176.55
  5. Step 5: Solve for x
    x = 106,492,614,176.55/369,791.84
  6. Step 6: Final answer
    x = 287,979.89

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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.