Home / 383,826.80-575,740.20-134,476.40

Finding the Fourth Proportional to 383,826.80, 575,740.20 and 134,476.40

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Solution

The fourth proportional to 383,826.80, 575,740.20 and 134,476.40 is: 201,714.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,826.80 : 575,740.20 = 134,476.40 : x
  2. Step 2: Convert to fraction form
    383,826.80/575,740.20 = 134,476.40/x
  3. Step 3: Cross multiply
    383,826.80x = 575,740.20 × 134,476.40
  4. Step 4: Simplify right side
    383,826.80x = 77,423,469,431.28
  5. Step 5: Solve for x
    x = 77,423,469,431.28/383,826.80
  6. Step 6: Final answer
    x = 201,714.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.