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Finding the Fourth Proportional to 213,574.80, 294,728.04 and 118,079.04

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Solution

The fourth proportional to 213,574.80, 294,728.04 and 118,079.04 is: 162,946.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,574.80 : 294,728.04 = 118,079.04 : x
  2. Step 2: Convert to fraction form
    213,574.80/294,728.04 = 118,079.04/x
  3. Step 3: Cross multiply
    213,574.80x = 294,728.04 × 118,079.04
  4. Step 4: Simplify right side
    213,574.80x = 34,801,204,024.28
  5. Step 5: Solve for x
    x = 34,801,204,024.28/213,574.80
  6. Step 6: Final answer
    x = 162,946.21

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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.