Home / 686,866.03-1,030,348.24-181,421.97

Finding the Fourth Proportional to 686,866.03, 1,030,348.24 and 181,421.97

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Solution

The fourth proportional to 686,866.03, 1,030,348.24 and 181,421.97 is: 272,145.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,866.03 : 1,030,348.24 = 181,421.97 : x
  2. Step 2: Convert to fraction form
    686,866.03/1,030,348.24 = 181,421.97/x
  3. Step 3: Cross multiply
    686,866.03x = 1,030,348.24 × 181,421.97
  4. Step 4: Simplify right side
    686,866.03x = 186,927,807,033.28
  5. Step 5: Solve for x
    x = 186,927,807,033.28/686,866.03
  6. Step 6: Final answer
    x = 272,145.95

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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.