Home / 371,560.41-512,784.98-210,444.12

Finding the Fourth Proportional to 371,560.41, 512,784.98 and 210,444.12

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Solution

The fourth proportional to 371,560.41, 512,784.98 and 210,444.12 is: 290,430.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,560.41 : 512,784.98 = 210,444.12 : x
  2. Step 2: Convert to fraction form
    371,560.41/512,784.98 = 210,444.12/x
  3. Step 3: Cross multiply
    371,560.41x = 512,784.98 × 210,444.12
  4. Step 4: Simplify right side
    371,560.41x = 107,912,581,301.39
  5. Step 5: Solve for x
    x = 107,912,581,301.39/371,560.41
  6. Step 6: Final answer
    x = 290,430.79

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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.