Home / 286,822.30-430,087.65-168,529.90

Finding the Fourth Proportional to 286,822.30, 430,087.65 and 168,529.90

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Solution

The fourth proportional to 286,822.30, 430,087.65 and 168,529.90 is: 252,709.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,822.30 : 430,087.65 = 168,529.90 : x
  2. Step 2: Convert to fraction form
    286,822.30/430,087.65 = 168,529.90/x
  3. Step 3: Cross multiply
    286,822.30x = 430,087.65 × 168,529.90
  4. Step 4: Simplify right side
    286,822.30x = 72,482,628,645.74
  5. Step 5: Solve for x
    x = 72,482,628,645.74/286,822.30
  6. Step 6: Final answer
    x = 252,709.18

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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.