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Finding the Fourth Proportional to 322,307.64, 483,324.77 and 153,632.84

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Solution

The fourth proportional to 322,307.64, 483,324.77 and 153,632.84 is: 230,384.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,307.64 : 483,324.77 = 153,632.84 : x
  2. Step 2: Convert to fraction form
    322,307.64/483,324.77 = 153,632.84/x
  3. Step 3: Cross multiply
    322,307.64x = 483,324.77 × 153,632.84
  4. Step 4: Simplify right side
    322,307.64x = 74,254,555,024.91
  5. Step 5: Solve for x
    x = 74,254,555,024.91/322,307.64
  6. Step 6: Final answer
    x = 230,384.10

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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.