Home / 314,961.35-434,646.27-171,721.35

Finding the Fourth Proportional to 314,961.35, 434,646.27 and 171,721.35

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Solution

The fourth proportional to 314,961.35, 434,646.27 and 171,721.35 is: 236,975.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,961.35 : 434,646.27 = 171,721.35 : x
  2. Step 2: Convert to fraction form
    314,961.35/434,646.27 = 171,721.35/x
  3. Step 3: Cross multiply
    314,961.35x = 434,646.27 × 171,721.35
  4. Step 4: Simplify right side
    314,961.35x = 74,638,044,256.86
  5. Step 5: Solve for x
    x = 74,638,044,256.86/314,961.35
  6. Step 6: Final answer
    x = 236,975.25

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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.