Home / 271,077.26-406,063.67-128,490.35

Finding the Fourth Proportional to 271,077.26, 406,063.67 and 128,490.35

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Solution

The fourth proportional to 271,077.26, 406,063.67 and 128,490.35 is: 192,473.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,077.26 : 406,063.67 = 128,490.35 : x
  2. Step 2: Convert to fraction form
    271,077.26/406,063.67 = 128,490.35/x
  3. Step 3: Cross multiply
    271,077.26x = 406,063.67 × 128,490.35
  4. Step 4: Simplify right side
    271,077.26x = 52,175,260,407.81
  5. Step 5: Solve for x
    x = 52,175,260,407.81/271,077.26
  6. Step 6: Final answer
    x = 192,473.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.