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Finding the Fourth Proportional to 371,500.49, 512,666.16 and 201,735.83

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Solution

The fourth proportional to 371,500.49, 512,666.16 and 201,735.83 is: 278,392.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,500.49 : 512,666.16 = 201,735.83 : x
  2. Step 2: Convert to fraction form
    371,500.49/512,666.16 = 201,735.83/x
  3. Step 3: Cross multiply
    371,500.49x = 512,666.16 × 201,735.83
  4. Step 4: Simplify right side
    371,500.49x = 103,423,133,300.51
  5. Step 5: Solve for x
    x = 103,423,133,300.51/371,500.49
  6. Step 6: Final answer
    x = 278,392.99

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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.