Home / 358,811.51-538,293.20-106,072.07

Finding the Fourth Proportional to 358,811.51, 538,293.20 and 106,072.07

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Solution

The fourth proportional to 358,811.51, 538,293.20 and 106,072.07 is: 159,130.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,811.51 : 538,293.20 = 106,072.07 : x
  2. Step 2: Convert to fraction form
    358,811.51/538,293.20 = 106,072.07/x
  3. Step 3: Cross multiply
    358,811.51x = 538,293.20 × 106,072.07
  4. Step 4: Simplify right side
    358,811.51x = 57,097,870,769.10
  5. Step 5: Solve for x
    x = 57,097,870,769.10/358,811.51
  6. Step 6: Final answer
    x = 159,130.55

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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.