Home / 201,890.10-302,835.15-200,507.70

Finding the Fourth Proportional to 201,890.10, 302,835.15 and 200,507.70

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Solution

The fourth proportional to 201,890.10, 302,835.15 and 200,507.70 is: 300,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,890.10 : 302,835.15 = 200,507.70 : x
  2. Step 2: Convert to fraction form
    201,890.10/302,835.15 = 200,507.70/x
  3. Step 3: Cross multiply
    201,890.10x = 302,835.15 × 200,507.70
  4. Step 4: Simplify right side
    201,890.10x = 60,720,779,405.66
  5. Step 5: Solve for x
    x = 60,720,779,405.66/201,890.10
  6. Step 6: Final answer
    x = 300,761.55

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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.