Home / 302,702.20-454,053.30-190,727.80

Finding the Fourth Proportional to 302,702.20, 454,053.30 and 190,727.80

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Solution

The fourth proportional to 302,702.20, 454,053.30 and 190,727.80 is: 286,091.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,702.20 : 454,053.30 = 190,727.80 : x
  2. Step 2: Convert to fraction form
    302,702.20/454,053.30 = 190,727.80/x
  3. Step 3: Cross multiply
    302,702.20x = 454,053.30 × 190,727.80
  4. Step 4: Simplify right side
    302,702.20x = 86,600,586,991.74
  5. Step 5: Solve for x
    x = 86,600,586,991.74/302,702.20
  6. Step 6: Final answer
    x = 286,091.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.