Home / 302,107.02-416,789.67-172,976.46

Finding the Fourth Proportional to 302,107.02, 416,789.67 and 172,976.46

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Solution

The fourth proportional to 302,107.02, 416,789.67 and 172,976.46 is: 238,639.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,107.02 : 416,789.67 = 172,976.46 : x
  2. Step 2: Convert to fraction form
    302,107.02/416,789.67 = 172,976.46/x
  3. Step 3: Cross multiply
    302,107.02x = 416,789.67 × 172,976.46
  4. Step 4: Simplify right side
    302,107.02x = 72,094,801,681.17
  5. Step 5: Solve for x
    x = 72,094,801,681.17/302,107.02
  6. Step 6: Final answer
    x = 238,639.94

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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.