Home / 266,815.08-368,214.30-145,949.16

Finding the Fourth Proportional to 266,815.08, 368,214.30 and 145,949.16

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Solution

The fourth proportional to 266,815.08, 368,214.30 and 145,949.16 is: 201,415.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,815.08 : 368,214.30 = 145,949.16 : x
  2. Step 2: Convert to fraction form
    266,815.08/368,214.30 = 145,949.16/x
  3. Step 3: Cross multiply
    266,815.08x = 368,214.30 × 145,949.16
  4. Step 4: Simplify right side
    266,815.08x = 53,740,567,784.99
  5. Step 5: Solve for x
    x = 53,740,567,784.99/266,815.08
  6. Step 6: Final answer
    x = 201,415.03

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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.