Home / 238,238.34-328,774.21-130,808.80

Finding the Fourth Proportional to 238,238.34, 328,774.21 and 130,808.80

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Solution

The fourth proportional to 238,238.34, 328,774.21 and 130,808.80 is: 180,519.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,238.34 : 328,774.21 = 130,808.80 : x
  2. Step 2: Convert to fraction form
    238,238.34/328,774.21 = 130,808.80/x
  3. Step 3: Cross multiply
    238,238.34x = 328,774.21 × 130,808.80
  4. Step 4: Simplify right side
    238,238.34x = 43,006,559,881.05
  5. Step 5: Solve for x
    x = 43,006,559,881.05/238,238.34
  6. Step 6: Final answer
    x = 180,519.05

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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.