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Finding the Fourth Proportional to 371,295.79, 512,374.47 and 201,526.27

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Solution

The fourth proportional to 371,295.79, 512,374.47 and 201,526.27 is: 278,098.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,295.79 : 512,374.47 = 201,526.27 : x
  2. Step 2: Convert to fraction form
    371,295.79/512,374.47 = 201,526.27/x
  3. Step 3: Cross multiply
    371,295.79x = 512,374.47 × 201,526.27
  4. Step 4: Simplify right side
    371,295.79x = 103,256,915,782.33
  5. Step 5: Solve for x
    x = 103,256,915,782.33/371,295.79
  6. Step 6: Final answer
    x = 278,098.81

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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.