Home / 238,050.85-328,509.27-130,622.68

Finding the Fourth Proportional to 238,050.85, 328,509.27 and 130,622.68

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Solution

The fourth proportional to 238,050.85, 328,509.27 and 130,622.68 is: 180,258.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,050.85 : 328,509.27 = 130,622.68 : x
  2. Step 2: Convert to fraction form
    238,050.85/328,509.27 = 130,622.68/x
  3. Step 3: Cross multiply
    238,050.85x = 328,509.27 × 130,622.68
  4. Step 4: Simplify right side
    238,050.85x = 42,910,759,815.02
  5. Step 5: Solve for x
    x = 42,910,759,815.02/238,050.85
  6. Step 6: Final answer
    x = 180,258.80

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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.