Home / 370,854.20-556,281.30-202,309.40

Finding the Fourth Proportional to 370,854.20, 556,281.30 and 202,309.40

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Solution

The fourth proportional to 370,854.20, 556,281.30 and 202,309.40 is: 303,464.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,854.20 : 556,281.30 = 202,309.40 : x
  2. Step 2: Convert to fraction form
    370,854.20/556,281.30 = 202,309.40/x
  3. Step 3: Cross multiply
    370,854.20x = 556,281.30 × 202,309.40
  4. Step 4: Simplify right side
    370,854.20x = 112,540,936,034.22
  5. Step 5: Solve for x
    x = 112,540,936,034.22/370,854.20
  6. Step 6: Final answer
    x = 303,464.10

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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.