Home / 358,151.31-537,054.12-208,425.03

Finding the Fourth Proportional to 358,151.31, 537,054.12 and 208,425.03

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Solution

The fourth proportional to 358,151.31, 537,054.12 and 208,425.03 is: 312,536.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,151.31 : 537,054.12 = 208,425.03 : x
  2. Step 2: Convert to fraction form
    358,151.31/537,054.12 = 208,425.03/x
  3. Step 3: Cross multiply
    358,151.31x = 537,054.12 × 208,425.03
  4. Step 4: Simplify right side
    358,151.31x = 111,935,521,072.62
  5. Step 5: Solve for x
    x = 111,935,521,072.62/358,151.31
  6. Step 6: Final answer
    x = 312,536.96

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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.