Home / 238,276.56-328,808.76-130,860.72

Finding the Fourth Proportional to 238,276.56, 328,808.76 and 130,860.72

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Solution

The fourth proportional to 238,276.56, 328,808.76 and 130,860.72 is: 180,580.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,276.56 : 328,808.76 = 130,860.72 : x
  2. Step 2: Convert to fraction form
    238,276.56/328,808.76 = 130,860.72/x
  3. Step 3: Cross multiply
    238,276.56x = 328,808.76 × 130,860.72
  4. Step 4: Simplify right side
    238,276.56x = 43,028,151,075.91
  5. Step 5: Solve for x
    x = 43,028,151,075.91/238,276.56
  6. Step 6: Final answer
    x = 180,580.71

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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.