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Finding the Fourth Proportional to 475,185.27, 655,230.30 and 302,830.35

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Solution

The fourth proportional to 475,185.27, 655,230.30 and 302,830.35 is: 417,571.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,185.27 : 655,230.30 = 302,830.35 : x
  2. Step 2: Convert to fraction form
    475,185.27/655,230.30 = 302,830.35/x
  3. Step 3: Cross multiply
    475,185.27x = 655,230.30 × 302,830.35
  4. Step 4: Simplify right side
    475,185.27x = 198,423,621,079.61
  5. Step 5: Solve for x
    x = 198,423,621,079.61/475,185.27
  6. Step 6: Final answer
    x = 417,571.07

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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.