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Finding the Fourth Proportional to 201,703.70, 302,555.55 and 103,399.70

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Solution

The fourth proportional to 201,703.70, 302,555.55 and 103,399.70 is: 155,099.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,703.70 : 302,555.55 = 103,399.70 : x
  2. Step 2: Convert to fraction form
    201,703.70/302,555.55 = 103,399.70/x
  3. Step 3: Cross multiply
    201,703.70x = 302,555.55 × 103,399.70
  4. Step 4: Simplify right side
    201,703.70x = 31,284,153,103.34
  5. Step 5: Solve for x
    x = 31,284,153,103.34/201,703.70
  6. Step 6: Final answer
    x = 155,099.55

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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.