Home / 314,938.80-434,615.76-171,699.12

Finding the Fourth Proportional to 314,938.80, 434,615.76 and 171,699.12

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Solution

The fourth proportional to 314,938.80, 434,615.76 and 171,699.12 is: 236,944.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,938.80 : 434,615.76 = 171,699.12 : x
  2. Step 2: Convert to fraction form
    314,938.80/434,615.76 = 171,699.12/x
  3. Step 3: Cross multiply
    314,938.80x = 434,615.76 × 171,699.12
  4. Step 4: Simplify right side
    314,938.80x = 74,623,143,530.13
  5. Step 5: Solve for x
    x = 74,623,143,530.13/314,938.80
  6. Step 6: Final answer
    x = 236,944.90

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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.