Home / 291,786.28-437,876.12-102,248.35

Finding the Fourth Proportional to 291,786.28, 437,876.12 and 102,248.35

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Solution

The fourth proportional to 291,786.28, 437,876.12 and 102,248.35 is: 153,441.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,786.28 : 437,876.12 = 102,248.35 : x
  2. Step 2: Convert to fraction form
    291,786.28/437,876.12 = 102,248.35/x
  3. Step 3: Cross multiply
    291,786.28x = 437,876.12 × 102,248.35
  4. Step 4: Simplify right side
    291,786.28x = 44,772,110,771.45
  5. Step 5: Solve for x
    x = 44,772,110,771.45/291,786.28
  6. Step 6: Final answer
    x = 153,441.45

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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.