Home / 284,494.14-392,629.07-155,452.23

Finding the Fourth Proportional to 284,494.14, 392,629.07 and 155,452.23

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Solution

The fourth proportional to 284,494.14, 392,629.07 and 155,452.23 is: 214,538.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,494.14 : 392,629.07 = 155,452.23 : x
  2. Step 2: Convert to fraction form
    284,494.14/392,629.07 = 155,452.23/x
  3. Step 3: Cross multiply
    284,494.14x = 392,629.07 × 155,452.23
  4. Step 4: Simplify right side
    284,494.14x = 61,035,063,717.07
  5. Step 5: Solve for x
    x = 61,035,063,717.07/284,494.14
  6. Step 6: Final answer
    x = 214,538.91

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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.