Home / 316,905.14-437,339.75-173,663.93

Finding the Fourth Proportional to 316,905.14, 437,339.75 and 173,663.93

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Solution

The fourth proportional to 316,905.14, 437,339.75 and 173,663.93 is: 239,662.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,905.14 : 437,339.75 = 173,663.93 : x
  2. Step 2: Convert to fraction form
    316,905.14/437,339.75 = 173,663.93/x
  3. Step 3: Cross multiply
    316,905.14x = 437,339.75 × 173,663.93
  4. Step 4: Simplify right side
    316,905.14x = 75,950,139,730.22
  5. Step 5: Solve for x
    x = 75,950,139,730.22/316,905.14
  6. Step 6: Final answer
    x = 239,662.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.