Home / 312,150.24-430,768.08-168,911.82

Finding the Fourth Proportional to 312,150.24, 430,768.08 and 168,911.82

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Solution

The fourth proportional to 312,150.24, 430,768.08 and 168,911.82 is: 233,098.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,150.24 : 430,768.08 = 168,911.82 : x
  2. Step 2: Convert to fraction form
    312,150.24/430,768.08 = 168,911.82/x
  3. Step 3: Cross multiply
    312,150.24x = 430,768.08 × 168,911.82
  4. Step 4: Simplify right side
    312,150.24x = 72,761,820,390.71
  5. Step 5: Solve for x
    x = 72,761,820,390.71/312,150.24
  6. Step 6: Final answer
    x = 233,098.72

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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.