Home / 298,254.12-447,386.04-157,722.36

Finding the Fourth Proportional to 298,254.12, 447,386.04 and 157,722.36

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Solution

The fourth proportional to 298,254.12, 447,386.04 and 157,722.36 is: 236,586.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,254.12 : 447,386.04 = 157,722.36 : x
  2. Step 2: Convert to fraction form
    298,254.12/447,386.04 = 157,722.36/x
  3. Step 3: Cross multiply
    298,254.12x = 447,386.04 × 157,722.36
  4. Step 4: Simplify right side
    298,254.12x = 70,562,782,059.85
  5. Step 5: Solve for x
    x = 70,562,782,059.85/298,254.12
  6. Step 6: Final answer
    x = 236,586.11

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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.