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Finding the Fourth Proportional to 320,182.37, 480,273.55 and 120,547.54

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Solution

The fourth proportional to 320,182.37, 480,273.55 and 120,547.54 is: 180,821.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,182.37 : 480,273.55 = 120,547.54 : x
  2. Step 2: Convert to fraction form
    320,182.37/480,273.55 = 120,547.54/x
  3. Step 3: Cross multiply
    320,182.37x = 480,273.55 × 120,547.54
  4. Step 4: Simplify right side
    320,182.37x = 57,895,791,975.46
  5. Step 5: Solve for x
    x = 57,895,791,975.46/320,182.37
  6. Step 6: Final answer
    x = 180,821.30

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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.