Home / 353,449.13-487,756.01-210,206.03

Finding the Fourth Proportional to 353,449.13, 487,756.01 and 210,206.03

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Solution

The fourth proportional to 353,449.13, 487,756.01 and 210,206.03 is: 290,082.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,449.13 : 487,756.01 = 210,206.03 : x
  2. Step 2: Convert to fraction form
    353,449.13/487,756.01 = 210,206.03/x
  3. Step 3: Cross multiply
    353,449.13x = 487,756.01 × 210,206.03
  4. Step 4: Simplify right side
    353,449.13x = 102,529,252,557.48
  5. Step 5: Solve for x
    x = 102,529,252,557.48/353,449.13
  6. Step 6: Final answer
    x = 290,082.07

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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.