Home / 340,277.14-510,491.65-103,638.07

Finding the Fourth Proportional to 340,277.14, 510,491.65 and 103,638.07

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Solution

The fourth proportional to 340,277.14, 510,491.65 and 103,638.07 is: 155,480.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,277.14 : 510,491.65 = 103,638.07 : x
  2. Step 2: Convert to fraction form
    340,277.14/510,491.65 = 103,638.07/x
  3. Step 3: Cross multiply
    340,277.14x = 510,491.65 × 103,638.07
  4. Step 4: Simplify right side
    340,277.14x = 52,906,369,357.12
  5. Step 5: Solve for x
    x = 52,906,369,357.12/340,277.14
  6. Step 6: Final answer
    x = 155,480.23

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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.