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Finding the Fourth Proportional to 320,544.74, 480,392.39 and 170,461.86

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Solution

The fourth proportional to 320,544.74, 480,392.39 and 170,461.86 is: 255,466.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,544.74 : 480,392.39 = 170,461.86 : x
  2. Step 2: Convert to fraction form
    320,544.74/480,392.39 = 170,461.86/x
  3. Step 3: Cross multiply
    320,544.74x = 480,392.39 × 170,461.86
  4. Step 4: Simplify right side
    320,544.74x = 81,888,580,116.17
  5. Step 5: Solve for x
    x = 81,888,580,116.17/320,544.74
  6. Step 6: Final answer
    x = 255,466.93

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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.