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Finding the Fourth Proportional to 369,701.59, 510,211.81 and 208,497.82

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Solution

The fourth proportional to 369,701.59, 510,211.81 and 208,497.82 is: 287,740.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,701.59 : 510,211.81 = 208,497.82 : x
  2. Step 2: Convert to fraction form
    369,701.59/510,211.81 = 208,497.82/x
  3. Step 3: Cross multiply
    369,701.59x = 510,211.81 × 208,497.82
  4. Step 4: Simplify right side
    369,701.59x = 106,378,047,611.58
  5. Step 5: Solve for x
    x = 106,378,047,611.58/369,701.59
  6. Step 6: Final answer
    x = 287,740.31

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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.