Home / 379,739.52-569,396.07-126,886.77

Finding the Fourth Proportional to 379,739.52, 569,396.07 and 126,886.77

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Solution

The fourth proportional to 379,739.52, 569,396.07 and 126,886.77 is: 190,258.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,739.52 : 569,396.07 = 126,886.77 : x
  2. Step 2: Convert to fraction form
    379,739.52/569,396.07 = 126,886.77/x
  3. Step 3: Cross multiply
    379,739.52x = 569,396.07 × 126,886.77
  4. Step 4: Simplify right side
    379,739.52x = 72,248,828,172.99
  5. Step 5: Solve for x
    x = 72,248,828,172.99/379,739.52
  6. Step 6: Final answer
    x = 190,258.91

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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.