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Finding the Fourth Proportional to 365,802.68, 548,878.98 and 129,256.76

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Solution

The fourth proportional to 365,802.68, 548,878.98 and 129,256.76 is: 193,946.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,802.68 : 548,878.98 = 129,256.76 : x
  2. Step 2: Convert to fraction form
    365,802.68/548,878.98 = 129,256.76/x
  3. Step 3: Cross multiply
    365,802.68x = 548,878.98 × 129,256.76
  4. Step 4: Simplify right side
    365,802.68x = 70,946,320,443.82
  5. Step 5: Solve for x
    x = 70,946,320,443.82/365,802.68
  6. Step 6: Final answer
    x = 193,946.97

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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.