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Finding the Fourth Proportional to 365,848.60, 548,772.90 and 208,384.60

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Solution

The fourth proportional to 365,848.60, 548,772.90 and 208,384.60 is: 312,576.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,848.60 : 548,772.90 = 208,384.60 : x
  2. Step 2: Convert to fraction form
    365,848.60/548,772.90 = 208,384.60/x
  3. Step 3: Cross multiply
    365,848.60x = 548,772.90 × 208,384.60
  4. Step 4: Simplify right side
    365,848.60x = 114,355,821,257.34
  5. Step 5: Solve for x
    x = 114,355,821,257.34/365,848.60
  6. Step 6: Final answer
    x = 312,576.90

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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.