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Finding the Fourth Proportional to 366,399.90, 549,678.33 and 113,674.95

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Solution

The fourth proportional to 366,399.90, 549,678.33 and 113,674.95 is: 170,536.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,399.90 : 549,678.33 = 113,674.95 : x
  2. Step 2: Convert to fraction form
    366,399.90/549,678.33 = 113,674.95/x
  3. Step 3: Cross multiply
    366,399.90x = 549,678.33 × 113,674.95
  4. Step 4: Simplify right side
    366,399.90x = 62,484,656,678.83
  5. Step 5: Solve for x
    x = 62,484,656,678.83/366,399.90
  6. Step 6: Final answer
    x = 170,536.77

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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.