Home / 314,835.48-472,127.94-115,110.36

Finding the Fourth Proportional to 314,835.48, 472,127.94 and 115,110.36

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Solution

The fourth proportional to 314,835.48, 472,127.94 and 115,110.36 is: 172,619.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,835.48 : 472,127.94 = 115,110.36 : x
  2. Step 2: Convert to fraction form
    314,835.48/472,127.94 = 115,110.36/x
  3. Step 3: Cross multiply
    314,835.48x = 472,127.94 × 115,110.36
  4. Step 4: Simplify right side
    314,835.48x = 54,346,817,139.46
  5. Step 5: Solve for x
    x = 54,346,817,139.46/314,835.48
  6. Step 6: Final answer
    x = 172,619.74

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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.