Home / 371,255.81-555,941.73-311,126.16

Finding the Fourth Proportional to 371,255.81, 555,941.73 and 311,126.16

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Solution

The fourth proportional to 371,255.81, 555,941.73 and 311,126.16 is: 465,899.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,255.81 : 555,941.73 = 311,126.16 : x
  2. Step 2: Convert to fraction form
    371,255.81/555,941.73 = 311,126.16/x
  3. Step 3: Cross multiply
    371,255.81x = 555,941.73 × 311,126.16
  4. Step 4: Simplify right side
    371,255.81x = 172,968,017,140.08
  5. Step 5: Solve for x
    x = 172,968,017,140.08/371,255.81
  6. Step 6: Final answer
    x = 465,899.83

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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.