Home / 330,635.32-456,281.74-185,473.28

Finding the Fourth Proportional to 330,635.32, 456,281.74 and 185,473.28

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Solution

The fourth proportional to 330,635.32, 456,281.74 and 185,473.28 is: 255,955.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,635.32 : 456,281.74 = 185,473.28 : x
  2. Step 2: Convert to fraction form
    330,635.32/456,281.74 = 185,473.28/x
  3. Step 3: Cross multiply
    330,635.32x = 456,281.74 × 185,473.28
  4. Step 4: Simplify right side
    330,635.32x = 84,628,070,921.91
  5. Step 5: Solve for x
    x = 84,628,070,921.91/330,635.32
  6. Step 6: Final answer
    x = 255,955.93

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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.