Home / 388,538.24-582,317.84-208,176.35

Finding the Fourth Proportional to 388,538.24, 582,317.84 and 208,176.35

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Solution

The fourth proportional to 388,538.24, 582,317.84 and 208,176.35 is: 312,002.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,538.24 : 582,317.84 = 208,176.35 : x
  2. Step 2: Convert to fraction form
    388,538.24/582,317.84 = 208,176.35/x
  3. Step 3: Cross multiply
    388,538.24x = 582,317.84 × 208,176.35
  4. Step 4: Simplify right side
    388,538.24x = 121,224,798,518.61
  5. Step 5: Solve for x
    x = 121,224,798,518.61/388,538.24
  6. Step 6: Final answer
    x = 312,002.24

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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.