Home / 314,512.50-434,014.23-171,272.22

Finding the Fourth Proportional to 314,512.50, 434,014.23 and 171,272.22

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Solution

The fourth proportional to 314,512.50, 434,014.23 and 171,272.22 is: 236,348.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,512.50 : 434,014.23 = 171,272.22 : x
  2. Step 2: Convert to fraction form
    314,512.50/434,014.23 = 171,272.22/x
  3. Step 3: Cross multiply
    314,512.50x = 434,014.23 × 171,272.22
  4. Step 4: Simplify right side
    314,512.50x = 74,334,580,683.69
  5. Step 5: Solve for x
    x = 74,334,580,683.69/314,512.50
  6. Step 6: Final answer
    x = 236,348.57

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1.5x scale

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.