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Finding the Fourth Proportional to 201,602.85, 302,440.73 and 101,511.15

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Solution

The fourth proportional to 201,602.85, 302,440.73 and 101,511.15 is: 152,285.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,602.85 : 302,440.73 = 101,511.15 : x
  2. Step 2: Convert to fraction form
    201,602.85/302,440.73 = 101,511.15/x
  3. Step 3: Cross multiply
    201,602.85x = 302,440.73 × 101,511.15
  4. Step 4: Simplify right side
    201,602.85x = 30,701,105,801.58
  5. Step 5: Solve for x
    x = 30,701,105,801.58/201,602.85
  6. Step 6: Final answer
    x = 152,285.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.