Home / 219,453.47-302,870.44-123,966.32

Finding the Fourth Proportional to 219,453.47, 302,870.44 and 123,966.32

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Solution

The fourth proportional to 219,453.47, 302,870.44 and 123,966.32 is: 171,087.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,453.47 : 302,870.44 = 123,966.32 : x
  2. Step 2: Convert to fraction form
    219,453.47/302,870.44 = 123,966.32/x
  3. Step 3: Cross multiply
    219,453.47x = 302,870.44 × 123,966.32
  4. Step 4: Simplify right side
    219,453.47x = 37,545,732,524.19
  5. Step 5: Solve for x
    x = 37,545,732,524.19/219,453.47
  6. Step 6: Final answer
    x = 171,087.44

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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.