Home / 238,326.02-328,895.88-130,906.16

Finding the Fourth Proportional to 238,326.02, 328,895.88 and 130,906.16

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Solution

The fourth proportional to 238,326.02, 328,895.88 and 130,906.16 is: 180,653.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,326.02 : 328,895.88 = 130,906.16 : x
  2. Step 2: Convert to fraction form
    238,326.02/328,895.88 = 130,906.16/x
  3. Step 3: Cross multiply
    238,326.02x = 328,895.88 × 130,906.16
  4. Step 4: Simplify right side
    238,326.02x = 43,054,496,690.62
  5. Step 5: Solve for x
    x = 43,054,496,690.62/238,326.02
  6. Step 6: Final answer
    x = 180,653.78

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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.