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Finding the Fourth Proportional to 369,438.59, 509,824.49 and 208,292.53

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Solution

The fourth proportional to 369,438.59, 509,824.49 and 208,292.53 is: 287,443.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,438.59 : 509,824.49 = 208,292.53 : x
  2. Step 2: Convert to fraction form
    369,438.59/509,824.49 = 208,292.53/x
  3. Step 3: Cross multiply
    369,438.59x = 509,824.49 × 208,292.53
  4. Step 4: Simplify right side
    369,438.59x = 106,192,632,878.06
  5. Step 5: Solve for x
    x = 106,192,632,878.06/369,438.59
  6. Step 6: Final answer
    x = 287,443.26

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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.