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Finding the Fourth Proportional to 371,253.51, 512,329.59 and 201,487.77

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Solution

The fourth proportional to 371,253.51, 512,329.59 and 201,487.77 is: 278,052.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,253.51 : 512,329.59 = 201,487.77 : x
  2. Step 2: Convert to fraction form
    371,253.51/512,329.59 = 201,487.77/x
  3. Step 3: Cross multiply
    371,253.51x = 512,329.59 × 201,487.77
  4. Step 4: Simplify right side
    371,253.51x = 103,228,146,594.11
  5. Step 5: Solve for x
    x = 103,228,146,594.11/371,253.51
  6. Step 6: Final answer
    x = 278,052.98

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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.