Home / 314,556.81-434,093.35-171,316.75

Finding the Fourth Proportional to 314,556.81, 434,093.35 and 171,316.75

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Solution

The fourth proportional to 314,556.81, 434,093.35 and 171,316.75 is: 236,419.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,556.81 : 434,093.35 = 171,316.75 : x
  2. Step 2: Convert to fraction form
    314,556.81/434,093.35 = 171,316.75/x
  3. Step 3: Cross multiply
    314,556.81x = 434,093.35 × 171,316.75
  4. Step 4: Simplify right side
    314,556.81x = 74,367,461,918.61
  5. Step 5: Solve for x
    x = 74,367,461,918.61/314,556.81
  6. Step 6: Final answer
    x = 236,419.81

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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.