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Finding the Fourth Proportional to 201,700.90, 302,551.35 and 170,208.10

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Solution

The fourth proportional to 201,700.90, 302,551.35 and 170,208.10 is: 255,312.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,700.90 : 302,551.35 = 170,208.10 : x
  2. Step 2: Convert to fraction form
    201,700.90/302,551.35 = 170,208.10/x
  3. Step 3: Cross multiply
    201,700.90x = 302,551.35 × 170,208.10
  4. Step 4: Simplify right side
    201,700.90x = 51,496,690,435.94
  5. Step 5: Solve for x
    x = 51,496,690,435.94/201,700.90
  6. Step 6: Final answer
    x = 255,312.15

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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.