Home / 286,723.16-430,250.56-118,212.04

Finding the Fourth Proportional to 286,723.16, 430,250.56 and 118,212.04

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Solution

The fourth proportional to 286,723.16, 430,250.56 and 118,212.04 is: 177,386.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,723.16 : 430,250.56 = 118,212.04 : x
  2. Step 2: Convert to fraction form
    286,723.16/430,250.56 = 118,212.04/x
  3. Step 3: Cross multiply
    286,723.16x = 430,250.56 × 118,212.04
  4. Step 4: Simplify right side
    286,723.16x = 50,860,796,408.74
  5. Step 5: Solve for x
    x = 50,860,796,408.74/286,723.16
  6. Step 6: Final answer
    x = 177,386.43

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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.