Home / 314,985.04-434,729.20-187,734.44

Finding the Fourth Proportional to 314,985.04, 434,729.20 and 187,734.44

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Solution

The fourth proportional to 314,985.04, 434,729.20 and 187,734.44 is: 259,103.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,985.04 : 434,729.20 = 187,734.44 : x
  2. Step 2: Convert to fraction form
    314,985.04/434,729.20 = 187,734.44/x
  3. Step 3: Cross multiply
    314,985.04x = 434,729.20 × 187,734.44
  4. Step 4: Simplify right side
    314,985.04x = 81,613,642,913.65
  5. Step 5: Solve for x
    x = 81,613,642,913.65/314,985.04
  6. Step 6: Final answer
    x = 259,103.24

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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.