Home / 284,504.26-392,643.03-155,462.35

Finding the Fourth Proportional to 284,504.26, 392,643.03 and 155,462.35

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Solution

The fourth proportional to 284,504.26, 392,643.03 and 155,462.35 is: 214,552.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,504.26 : 392,643.03 = 155,462.35 : x
  2. Step 2: Convert to fraction form
    284,504.26/392,643.03 = 155,462.35/x
  3. Step 3: Cross multiply
    284,504.26x = 392,643.03 × 155,462.35
  4. Step 4: Simplify right side
    284,504.26x = 61,041,208,154.92
  5. Step 5: Solve for x
    x = 61,041,208,154.92/284,504.26
  6. Step 6: Final answer
    x = 214,552.88

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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.