Home / 286,721.14-430,247.56-118,210.06

Finding the Fourth Proportional to 286,721.14, 430,247.56 and 118,210.06

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Solution

The fourth proportional to 286,721.14, 430,247.56 and 118,210.06 is: 177,383.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,721.14 : 430,247.56 = 118,210.06 : x
  2. Step 2: Convert to fraction form
    286,721.14/430,247.56 = 118,210.06/x
  3. Step 3: Cross multiply
    286,721.14x = 430,247.56 × 118,210.06
  4. Step 4: Simplify right side
    286,721.14x = 50,859,589,882.45
  5. Step 5: Solve for x
    x = 50,859,589,882.45/286,721.14
  6. Step 6: Final answer
    x = 177,383.47

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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.