Home / 284,823.60-393,055.56-160,634.72

Finding the Fourth Proportional to 284,823.60, 393,055.56 and 160,634.72

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Solution

The fourth proportional to 284,823.60, 393,055.56 and 160,634.72 is: 221,675.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,823.60 : 393,055.56 = 160,634.72 : x
  2. Step 2: Convert to fraction form
    284,823.60/393,055.56 = 160,634.72/x
  3. Step 3: Cross multiply
    284,823.60x = 393,055.56 × 160,634.72
  4. Step 4: Simplify right side
    284,823.60x = 63,138,369,825.04
  5. Step 5: Solve for x
    x = 63,138,369,825.04/284,823.60
  6. Step 6: Final answer
    x = 221,675.35

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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.