Home / 282,130.28-422,703.32-235,047.81

Finding the Fourth Proportional to 282,130.28, 422,703.32 and 235,047.81

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Solution

The fourth proportional to 282,130.28, 422,703.32 and 235,047.81 is: 352,161.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,130.28 : 422,703.32 = 235,047.81 : x
  2. Step 2: Convert to fraction form
    282,130.28/422,703.32 = 235,047.81/x
  3. Step 3: Cross multiply
    282,130.28x = 422,703.32 × 235,047.81
  4. Step 4: Simplify right side
    282,130.28x = 99,355,488,470.49
  5. Step 5: Solve for x
    x = 99,355,488,470.49/282,130.28
  6. Step 6: Final answer
    x = 352,161.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.