Home / 371,267.70-512,346.33-201,501.78

Finding the Fourth Proportional to 371,267.70, 512,346.33 and 201,501.78

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Solution

The fourth proportional to 371,267.70, 512,346.33 and 201,501.78 is: 278,070.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,267.70 : 512,346.33 = 201,501.78 : x
  2. Step 2: Convert to fraction form
    371,267.70/512,346.33 = 201,501.78/x
  3. Step 3: Cross multiply
    371,267.70x = 512,346.33 × 201,501.78
  4. Step 4: Simplify right side
    371,267.70x = 103,238,697,471.47
  5. Step 5: Solve for x
    x = 103,238,697,471.47/371,267.70
  6. Step 6: Final answer
    x = 278,070.78

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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.