Home / 245,968.86-338,722.35-213,688.74

Finding the Fourth Proportional to 245,968.86, 338,722.35 and 213,688.74

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Solution

The fourth proportional to 245,968.86, 338,722.35 and 213,688.74 is: 294,269.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,968.86 : 338,722.35 = 213,688.74 : x
  2. Step 2: Convert to fraction form
    245,968.86/338,722.35 = 213,688.74/x
  3. Step 3: Cross multiply
    245,968.86x = 338,722.35 × 213,688.74
  4. Step 4: Simplify right side
    245,968.86x = 72,381,152,181.34
  5. Step 5: Solve for x
    x = 72,381,152,181.34/245,968.86
  6. Step 6: Final answer
    x = 294,269.58

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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.