Home / 210,395.28-290,332.64-114,882.56

Finding the Fourth Proportional to 210,395.28, 290,332.64 and 114,882.56

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Solution

The fourth proportional to 210,395.28, 290,332.64 and 114,882.56 is: 158,530.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    210,395.28 : 290,332.64 = 114,882.56 : x
  2. Step 2: Convert to fraction form
    210,395.28/290,332.64 = 114,882.56/x
  3. Step 3: Cross multiply
    210,395.28x = 290,332.64 × 114,882.56
  4. Step 4: Simplify right side
    210,395.28x = 33,354,156,934.76
  5. Step 5: Solve for x
    x = 33,354,156,934.76/210,395.28
  6. Step 6: Final answer
    x = 158,530.92

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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.