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Finding the Fourth Proportional to 383,357.76, 574,802.40 and 183,739.20

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Solution

The fourth proportional to 383,357.76, 574,802.40 and 183,739.20 is: 275,496.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,357.76 : 574,802.40 = 183,739.20 : x
  2. Step 2: Convert to fraction form
    383,357.76/574,802.40 = 183,739.20/x
  3. Step 3: Cross multiply
    383,357.76x = 574,802.40 × 183,739.20
  4. Step 4: Simplify right side
    383,357.76x = 105,613,733,134.08
  5. Step 5: Solve for x
    x = 105,613,733,134.08/383,357.76
  6. Step 6: Final answer
    x = 275,496.53

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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.