Home / 238,236.65-328,767.21-130,813.64

Finding the Fourth Proportional to 238,236.65, 328,767.21 and 130,813.64

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Solution

The fourth proportional to 238,236.65, 328,767.21 and 130,813.64 is: 180,523.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,236.65 : 328,767.21 = 130,813.64 : x
  2. Step 2: Convert to fraction form
    238,236.65/328,767.21 = 130,813.64/x
  3. Step 3: Cross multiply
    238,236.65x = 328,767.21 × 130,813.64
  4. Step 4: Simplify right side
    238,236.65x = 43,007,233,808.91
  5. Step 5: Solve for x
    x = 43,007,233,808.91/238,236.65
  6. Step 6: Final answer
    x = 180,523.17

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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.