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Finding the Fourth Proportional to 369,591.98, 510,036.84 and 208,446.68

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Solution

The fourth proportional to 369,591.98, 510,036.84 and 208,446.68 is: 287,656.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,591.98 : 510,036.84 = 208,446.68 : x
  2. Step 2: Convert to fraction form
    369,591.98/510,036.84 = 208,446.68/x
  3. Step 3: Cross multiply
    369,591.98x = 510,036.84 × 208,446.68
  4. Step 4: Simplify right side
    369,591.98x = 106,315,483,425.51
  5. Step 5: Solve for x
    x = 106,315,483,425.51/369,591.98
  6. Step 6: Final answer
    x = 287,656.36

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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.