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Finding the Fourth Proportional to 299,730.60, 449,303.58 and 119,762.34

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Solution

The fourth proportional to 299,730.60, 449,303.58 and 119,762.34 is: 179,526.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,730.60 : 449,303.58 = 119,762.34 : x
  2. Step 2: Convert to fraction form
    299,730.60/449,303.58 = 119,762.34/x
  3. Step 3: Cross multiply
    299,730.60x = 449,303.58 × 119,762.34
  4. Step 4: Simplify right side
    299,730.60x = 53,809,648,111.18
  5. Step 5: Solve for x
    x = 53,809,648,111.18/299,730.60
  6. Step 6: Final answer
    x = 179,526.71

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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.