Home / 220,840.60-304,949.45-213,699.36

Finding the Fourth Proportional to 220,840.60, 304,949.45 and 213,699.36

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Solution

The fourth proportional to 220,840.60, 304,949.45 and 213,699.36 is: 295,088.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,840.60 : 304,949.45 = 213,699.36 : x
  2. Step 2: Convert to fraction form
    220,840.60/304,949.45 = 213,699.36/x
  3. Step 3: Cross multiply
    220,840.60x = 304,949.45 × 213,699.36
  4. Step 4: Simplify right side
    220,840.60x = 65,167,502,297.35
  5. Step 5: Solve for x
    x = 65,167,502,297.35/220,840.60
  6. Step 6: Final answer
    x = 295,088.41

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1.5x scale

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.