Home / 817,217.34-1,225,821.93-210,005.10

Finding the Fourth Proportional to 817,217.34, 1,225,821.93 and 210,005.10

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Solution

The fourth proportional to 817,217.34, 1,225,821.93 and 210,005.10 is: 315,006.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,217.34 : 1,225,821.93 = 210,005.10 : x
  2. Step 2: Convert to fraction form
    817,217.34/1,225,821.93 = 210,005.10/x
  3. Step 3: Cross multiply
    817,217.34x = 1,225,821.93 × 210,005.10
  4. Step 4: Simplify right side
    817,217.34x = 257,428,856,991.84
  5. Step 5: Solve for x
    x = 257,428,856,991.84/817,217.34
  6. Step 6: Final answer
    x = 315,006.60

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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.