Home / 242,908.38-335,040.03-210,585.20

Finding the Fourth Proportional to 242,908.38, 335,040.03 and 210,585.20

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Solution

The fourth proportional to 242,908.38, 335,040.03 and 210,585.20 is: 290,457.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,908.38 : 335,040.03 = 210,585.20 : x
  2. Step 2: Convert to fraction form
    242,908.38/335,040.03 = 210,585.20/x
  3. Step 3: Cross multiply
    242,908.38x = 335,040.03 × 210,585.20
  4. Step 4: Simplify right side
    242,908.38x = 70,554,472,904.21
  5. Step 5: Solve for x
    x = 70,554,472,904.21/242,908.38
  6. Step 6: Final answer
    x = 290,457.14

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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.