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Finding the Fourth Proportional to 370,720.30, 556,103.97 and 130,804.30

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Solution

The fourth proportional to 370,720.30, 556,103.97 and 130,804.30 is: 196,214.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,720.30 : 556,103.97 = 130,804.30 : x
  2. Step 2: Convert to fraction form
    370,720.30/556,103.97 = 130,804.30/x
  3. Step 3: Cross multiply
    370,720.30x = 556,103.97 × 130,804.30
  4. Step 4: Simplify right side
    370,720.30x = 72,740,790,523.07
  5. Step 5: Solve for x
    x = 72,740,790,523.07/370,720.30
  6. Step 6: Final answer
    x = 196,214.75

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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.