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Finding the Fourth Proportional to 366,493.79, 549,928.78 and 174,585.55

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Solution

The fourth proportional to 366,493.79, 549,928.78 and 174,585.55 is: 261,967.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,493.79 : 549,928.78 = 174,585.55 : x
  2. Step 2: Convert to fraction form
    366,493.79/549,928.78 = 174,585.55/x
  3. Step 3: Cross multiply
    366,493.79x = 549,928.78 × 174,585.55
  4. Step 4: Simplify right side
    366,493.79x = 96,009,616,705.84
  5. Step 5: Solve for x
    x = 96,009,616,705.84/366,493.79
  6. Step 6: Final answer
    x = 261,967.93

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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.