Home / 248,917.50-343,532.07-153,421.74

Finding the Fourth Proportional to 248,917.50, 343,532.07 and 153,421.74

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Solution

The fourth proportional to 248,917.50, 343,532.07 and 153,421.74 is: 211,737.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,917.50 : 343,532.07 = 153,421.74 : x
  2. Step 2: Convert to fraction form
    248,917.50/343,532.07 = 153,421.74/x
  3. Step 3: Cross multiply
    248,917.50x = 343,532.07 × 153,421.74
  4. Step 4: Simplify right side
    248,917.50x = 52,705,287,925.20
  5. Step 5: Solve for x
    x = 52,705,287,925.20/248,917.50
  6. Step 6: Final answer
    x = 211,737.98

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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.