Home / 284,261.26-392,270.23-155,197.35

Finding the Fourth Proportional to 284,261.26, 392,270.23 and 155,197.35

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Solution

The fourth proportional to 284,261.26, 392,270.23 and 155,197.35 is: 214,166.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,261.26 : 392,270.23 = 155,197.35 : x
  2. Step 2: Convert to fraction form
    284,261.26/392,270.23 = 155,197.35/x
  3. Step 3: Cross multiply
    284,261.26x = 392,270.23 × 155,197.35
  4. Step 4: Simplify right side
    284,261.26x = 60,879,301,548.56
  5. Step 5: Solve for x
    x = 60,879,301,548.56/284,261.26
  6. Step 6: Final answer
    x = 214,166.72

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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.