Home / 302,710.05-454,065.08-288,194.85

Finding the Fourth Proportional to 302,710.05, 454,065.08 and 288,194.85

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Solution

The fourth proportional to 302,710.05, 454,065.08 and 288,194.85 is: 432,292.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,710.05 : 454,065.08 = 288,194.85 : x
  2. Step 2: Convert to fraction form
    302,710.05/454,065.08 = 288,194.85/x
  3. Step 3: Cross multiply
    302,710.05x = 454,065.08 × 288,194.85
  4. Step 4: Simplify right side
    302,710.05x = 130,859,216,179.86
  5. Step 5: Solve for x
    x = 130,859,216,179.86/302,710.05
  6. Step 6: Final answer
    x = 432,292.28

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1.5x scale

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.