Home / 366,923.30-549,704.55-208,681.70

Finding the Fourth Proportional to 366,923.30, 549,704.55 and 208,681.70

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Solution

The fourth proportional to 366,923.30, 549,704.55 and 208,681.70 is: 312,635.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,923.30 : 549,704.55 = 208,681.70 : x
  2. Step 2: Convert to fraction form
    366,923.30/549,704.55 = 208,681.70/x
  3. Step 3: Cross multiply
    366,923.30x = 549,704.55 × 208,681.70
  4. Step 4: Simplify right side
    366,923.30x = 114,713,279,991.74
  5. Step 5: Solve for x
    x = 114,713,279,991.74/366,923.30
  6. Step 6: Final answer
    x = 312,635.58

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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.