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Finding the Fourth Proportional to 238,303.74, 328,859.10 and 130,873.80

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Solution

The fourth proportional to 238,303.74, 328,859.10 and 130,873.80 is: 180,605.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,303.74 : 328,859.10 = 130,873.80 : x
  2. Step 2: Convert to fraction form
    238,303.74/328,859.10 = 130,873.80/x
  3. Step 3: Cross multiply
    238,303.74x = 328,859.10 × 130,873.80
  4. Step 4: Simplify right side
    238,303.74x = 43,039,040,081.58
  5. Step 5: Solve for x
    x = 43,039,040,081.58/238,303.74
  6. Step 6: Final answer
    x = 180,605.81

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1.5x scale

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.