Home / 393,237.13-589,790.06-112,688.77

Finding the Fourth Proportional to 393,237.13, 589,790.06 and 112,688.77

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Solution

The fourth proportional to 393,237.13, 589,790.06 and 112,688.77 is: 169,014.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,237.13 : 589,790.06 = 112,688.77 : x
  2. Step 2: Convert to fraction form
    393,237.13/589,790.06 = 112,688.77/x
  3. Step 3: Cross multiply
    393,237.13x = 589,790.06 × 112,688.77
  4. Step 4: Simplify right side
    393,237.13x = 66,462,715,856.18
  5. Step 5: Solve for x
    x = 66,462,715,856.18/393,237.13
  6. Step 6: Final answer
    x = 169,014.34

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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.