Home / 371,476.32-512,623.26-210,299.28

Finding the Fourth Proportional to 371,476.32, 512,623.26 and 210,299.28

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Solution

The fourth proportional to 371,476.32, 512,623.26 and 210,299.28 is: 290,205.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,476.32 : 512,623.26 = 210,299.28 : x
  2. Step 2: Convert to fraction form
    371,476.32/512,623.26 = 210,299.28/x
  3. Step 3: Cross multiply
    371,476.32x = 512,623.26 × 210,299.28
  4. Step 4: Simplify right side
    371,476.32x = 107,804,302,489.25
  5. Step 5: Solve for x
    x = 107,804,302,489.25/371,476.32
  6. Step 6: Final answer
    x = 290,205.05

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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.