Home / 314,554.41-434,090.02-171,314.34

Finding the Fourth Proportional to 314,554.41, 434,090.02 and 171,314.34

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Solution

The fourth proportional to 314,554.41, 434,090.02 and 171,314.34 is: 236,416.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,554.41 : 434,090.02 = 171,314.34 : x
  2. Step 2: Convert to fraction form
    314,554.41/434,090.02 = 171,314.34/x
  3. Step 3: Cross multiply
    314,554.41x = 434,090.02 × 171,314.34
  4. Step 4: Simplify right side
    314,554.41x = 74,365,843,106.44
  5. Step 5: Solve for x
    x = 74,365,843,106.44/314,554.41
  6. Step 6: Final answer
    x = 236,416.47

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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.