Home / 314,723.88-434,496.96-218,068.20

Finding the Fourth Proportional to 314,723.88, 434,496.96 and 218,068.20

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Solution

The fourth proportional to 314,723.88, 434,496.96 and 218,068.20 is: 301,057.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,723.88 : 434,496.96 = 218,068.20 : x
  2. Step 2: Convert to fraction form
    314,723.88/434,496.96 = 218,068.20/x
  3. Step 3: Cross multiply
    314,723.88x = 434,496.96 × 218,068.20
  4. Step 4: Simplify right side
    314,723.88x = 94,749,969,972.67
  5. Step 5: Solve for x
    x = 94,749,969,972.67/314,723.88
  6. Step 6: Final answer
    x = 301,057.45

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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.