Home / 320,152.10-480,246.93-120,474.18

Finding the Fourth Proportional to 320,152.10, 480,246.93 and 120,474.18

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Solution

The fourth proportional to 320,152.10, 480,246.93 and 120,474.18 is: 180,718.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,152.10 : 480,246.93 = 120,474.18 : x
  2. Step 2: Convert to fraction form
    320,152.10/480,246.93 = 120,474.18/x
  3. Step 3: Cross multiply
    320,152.10x = 480,246.93 × 120,474.18
  4. Step 4: Simplify right side
    320,152.10x = 57,857,355,089.27
  5. Step 5: Solve for x
    x = 57,857,355,089.27/320,152.10
  6. Step 6: Final answer
    x = 180,718.34

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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.