Home / 226,316.16-312,327.36-125,712

Finding the Fourth Proportional to 226,316.16, 312,327.36 and 125,712

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Solution

The fourth proportional to 226,316.16, 312,327.36 and 125,712 is: 173,488.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,316.16 : 312,327.36 = 125,712 : x
  2. Step 2: Convert to fraction form
    226,316.16/312,327.36 = 125,712/x
  3. Step 3: Cross multiply
    226,316.16x = 312,327.36 × 125,712
  4. Step 4: Simplify right side
    226,316.16x = 39,263,297,080.32
  5. Step 5: Solve for x
    x = 39,263,297,080.32/226,316.16
  6. Step 6: Final answer
    x = 173,488.70

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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.