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Finding the Fourth Proportional to 369,440.53, 509,817.73 and 208,294.17

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Solution

The fourth proportional to 369,440.53, 509,817.73 and 208,294.17 is: 287,440.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,440.53 : 509,817.73 = 208,294.17 : x
  2. Step 2: Convert to fraction form
    369,440.53/509,817.73 = 208,294.17/x
  3. Step 3: Cross multiply
    369,440.53x = 509,817.73 × 208,294.17
  4. Step 4: Simplify right side
    369,440.53x = 106,192,060,921.63
  5. Step 5: Solve for x
    x = 106,192,060,921.63/369,440.53
  6. Step 6: Final answer
    x = 287,440.20

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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.