Home / 238,360.20-328,928.25-130,923.84

Finding the Fourth Proportional to 238,360.20, 328,928.25 and 130,923.84

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Solution

The fourth proportional to 238,360.20, 328,928.25 and 130,923.84 is: 180,670.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,360.20 : 328,928.25 = 130,923.84 : x
  2. Step 2: Convert to fraction form
    238,360.20/328,928.25 = 130,923.84/x
  3. Step 3: Cross multiply
    238,360.20x = 328,928.25 × 130,923.84
  4. Step 4: Simplify right side
    238,360.20x = 43,064,549,574.48
  5. Step 5: Solve for x
    x = 43,064,549,574.48/238,360.20
  6. Step 6: Final answer
    x = 180,670.05

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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.