Home / 285,156.45-393,603.57-164,378.52

Finding the Fourth Proportional to 285,156.45, 393,603.57 and 164,378.52

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Solution

The fourth proportional to 285,156.45, 393,603.57 and 164,378.52 is: 226,892.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,156.45 : 393,603.57 = 164,378.52 : x
  2. Step 2: Convert to fraction form
    285,156.45/393,603.57 = 164,378.52/x
  3. Step 3: Cross multiply
    285,156.45x = 393,603.57 × 164,378.52
  4. Step 4: Simplify right side
    285,156.45x = 64,699,972,303.32
  5. Step 5: Solve for x
    x = 64,699,972,303.32/285,156.45
  6. Step 6: Final answer
    x = 226,892.89

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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.