Home / 876,139.70-1,314,112.35-245,117.30

Finding the Fourth Proportional to 876,139.70, 1,314,112.35 and 245,117.30

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Solution

The fourth proportional to 876,139.70, 1,314,112.35 and 245,117.30 is: 367,648.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,139.70 : 1,314,112.35 = 245,117.30 : x
  2. Step 2: Convert to fraction form
    876,139.70/1,314,112.35 = 245,117.30/x
  3. Step 3: Cross multiply
    876,139.70x = 1,314,112.35 × 245,117.30
  4. Step 4: Simplify right side
    876,139.70x = 322,111,671,128.66
  5. Step 5: Solve for x
    x = 322,111,671,128.66/876,139.70
  6. Step 6: Final answer
    x = 367,648.76

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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.