Home / 248,840.60-343,188.77-210,267.41

Finding the Fourth Proportional to 248,840.60, 343,188.77 and 210,267.41

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Solution

The fourth proportional to 248,840.60, 343,188.77 and 210,267.41 is: 289,990.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,840.60 : 343,188.77 = 210,267.41 : x
  2. Step 2: Convert to fraction form
    248,840.60/343,188.77 = 210,267.41/x
  3. Step 3: Cross multiply
    248,840.60x = 343,188.77 × 210,267.41
  4. Step 4: Simplify right side
    248,840.60x = 72,161,411,041.70
  5. Step 5: Solve for x
    x = 72,161,411,041.70/248,840.60
  6. Step 6: Final answer
    x = 289,990.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.