Home / 371,509.03-512,677.65-210,363.58

Finding the Fourth Proportional to 371,509.03, 512,677.65 and 210,363.58

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Solution

The fourth proportional to 371,509.03, 512,677.65 and 210,363.58 is: 290,299.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,509.03 : 512,677.65 = 210,363.58 : x
  2. Step 2: Convert to fraction form
    371,509.03/512,677.65 = 210,363.58/x
  3. Step 3: Cross multiply
    371,509.03x = 512,677.65 × 210,363.58
  4. Step 4: Simplify right side
    371,509.03x = 107,848,705,839.99
  5. Step 5: Solve for x
    x = 107,848,705,839.99/371,509.03
  6. Step 6: Final answer
    x = 290,299.02

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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.