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Finding the Fourth Proportional to 383,005.50, 574,637.64 and 169,744.24

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Solution

The fourth proportional to 383,005.50, 574,637.64 and 169,744.24 is: 254,673.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,005.50 : 574,637.64 = 169,744.24 : x
  2. Step 2: Convert to fraction form
    383,005.50/574,637.64 = 169,744.24/x
  3. Step 3: Cross multiply
    383,005.50x = 574,637.64 × 169,744.24
  4. Step 4: Simplify right side
    383,005.50x = 97,541,429,477.19
  5. Step 5: Solve for x
    x = 97,541,429,477.19/383,005.50
  6. Step 6: Final answer
    x = 254,673.70

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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.