Home / 358,277.56-494,370.86-215,007.16

Finding the Fourth Proportional to 358,277.56, 494,370.86 and 215,007.16

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Solution

The fourth proportional to 358,277.56, 494,370.86 and 215,007.16 is: 296,678.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,277.56 : 494,370.86 = 215,007.16 : x
  2. Step 2: Convert to fraction form
    358,277.56/494,370.86 = 215,007.16/x
  3. Step 3: Cross multiply
    358,277.56x = 494,370.86 × 215,007.16
  4. Step 4: Simplify right side
    358,277.56x = 106,293,274,595.36
  5. Step 5: Solve for x
    x = 106,293,274,595.36/358,277.56
  6. Step 6: Final answer
    x = 296,678.57

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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.