Home / 668,045.71-1,001,989.62-188,309.49

Finding the Fourth Proportional to 668,045.71, 1,001,989.62 and 188,309.49

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Solution

The fourth proportional to 668,045.71, 1,001,989.62 and 188,309.49 is: 282,441.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,045.71 : 1,001,989.62 = 188,309.49 : x
  2. Step 2: Convert to fraction form
    668,045.71/1,001,989.62 = 188,309.49/x
  3. Step 3: Cross multiply
    668,045.71x = 1,001,989.62 × 188,309.49
  4. Step 4: Simplify right side
    668,045.71x = 188,684,154,327.49
  5. Step 5: Solve for x
    x = 188,684,154,327.49/668,045.71
  6. Step 6: Final answer
    x = 282,441.98

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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.