Home / 670,495.95-1,005,530.09-221,133.06

Finding the Fourth Proportional to 670,495.95, 1,005,530.09 and 221,133.06

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Solution

The fourth proportional to 670,495.95, 1,005,530.09 and 221,133.06 is: 331,629.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,495.95 : 1,005,530.09 = 221,133.06 : x
  2. Step 2: Convert to fraction form
    670,495.95/1,005,530.09 = 221,133.06/x
  3. Step 3: Cross multiply
    670,495.95x = 1,005,530.09 × 221,133.06
  4. Step 4: Simplify right side
    670,495.95x = 222,355,944,618.11
  5. Step 5: Solve for x
    x = 222,355,944,618.11/670,495.95
  6. Step 6: Final answer
    x = 331,629.06

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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.