Home / 271,246.81-374,314.80-156,516.45

Finding the Fourth Proportional to 271,246.81, 374,314.80 and 156,516.45

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Solution

The fourth proportional to 271,246.81, 374,314.80 and 156,516.45 is: 215,989.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,246.81 : 374,314.80 = 156,516.45 : x
  2. Step 2: Convert to fraction form
    271,246.81/374,314.80 = 156,516.45/x
  3. Step 3: Cross multiply
    271,246.81x = 374,314.80 × 156,516.45
  4. Step 4: Simplify right side
    271,246.81x = 58,586,423,678.46
  5. Step 5: Solve for x
    x = 58,586,423,678.46/271,246.81
  6. Step 6: Final answer
    x = 215,989.36

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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.