Home / 239,045.77-358,790.19-120,800.35

Finding the Fourth Proportional to 239,045.77, 358,790.19 and 120,800.35

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Solution

The fourth proportional to 239,045.77, 358,790.19 and 120,800.35 is: 181,312.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,045.77 : 358,790.19 = 120,800.35 : x
  2. Step 2: Convert to fraction form
    239,045.77/358,790.19 = 120,800.35/x
  3. Step 3: Cross multiply
    239,045.77x = 358,790.19 × 120,800.35
  4. Step 4: Simplify right side
    239,045.77x = 43,341,980,528.57
  5. Step 5: Solve for x
    x = 43,341,980,528.57/239,045.77
  6. Step 6: Final answer
    x = 181,312.48

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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.