Home / 271,217.85-374,421.47-210,652.89

Finding the Fourth Proportional to 271,217.85, 374,421.47 and 210,652.89

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Solution

The fourth proportional to 271,217.85, 374,421.47 and 210,652.89 is: 290,810.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,217.85 : 374,421.47 = 210,652.89 : x
  2. Step 2: Convert to fraction form
    271,217.85/374,421.47 = 210,652.89/x
  3. Step 3: Cross multiply
    271,217.85x = 374,421.47 × 210,652.89
  4. Step 4: Simplify right side
    271,217.85x = 78,872,963,680.28
  5. Step 5: Solve for x
    x = 78,872,963,680.28/271,217.85
  6. Step 6: Final answer
    x = 290,810.37

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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.