Home / 485,133.36-669,467.16-270,262.32

Finding the Fourth Proportional to 485,133.36, 669,467.16 and 270,262.32

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Solution

The fourth proportional to 485,133.36, 669,467.16 and 270,262.32 is: 372,952.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,133.36 : 669,467.16 = 270,262.32 : x
  2. Step 2: Convert to fraction form
    485,133.36/669,467.16 = 270,262.32/x
  3. Step 3: Cross multiply
    485,133.36x = 669,467.16 × 270,262.32
  4. Step 4: Simplify right side
    485,133.36x = 180,931,747,825.41
  5. Step 5: Solve for x
    x = 180,931,747,825.41/485,133.36
  6. Step 6: Final answer
    x = 372,952.60

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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.