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Finding the Fourth Proportional to 369,627.84, 510,224.40 and 287,794.08

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Solution

The fourth proportional to 369,627.84, 510,224.40 and 287,794.08 is: 397,263.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,627.84 : 510,224.40 = 287,794.08 : x
  2. Step 2: Convert to fraction form
    369,627.84/510,224.40 = 287,794.08/x
  3. Step 3: Cross multiply
    369,627.84x = 510,224.40 × 287,794.08
  4. Step 4: Simplify right side
    369,627.84x = 146,839,561,791.55
  5. Step 5: Solve for x
    x = 146,839,561,791.55/369,627.84
  6. Step 6: Final answer
    x = 397,263.26

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1.5x scale

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.