Home / 340,315.69-510,528.89-115,696.21

Finding the Fourth Proportional to 340,315.69, 510,528.89 and 115,696.21

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Solution

The fourth proportional to 340,315.69, 510,528.89 and 115,696.21 is: 173,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,315.69 : 510,528.89 = 115,696.21 : x
  2. Step 2: Convert to fraction form
    340,315.69/510,528.89 = 115,696.21/x
  3. Step 3: Cross multiply
    340,315.69x = 510,528.89 × 115,696.21
  4. Step 4: Simplify right side
    340,315.69x = 59,066,257,668.51
  5. Step 5: Solve for x
    x = 59,066,257,668.51/340,315.69
  6. Step 6: Final answer
    x = 173,563.13

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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.