Home / 356,921.32-492,550.04-220,928.16

Finding the Fourth Proportional to 356,921.32, 492,550.04 and 220,928.16

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Solution

The fourth proportional to 356,921.32, 492,550.04 and 220,928.16 is: 304,880.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,921.32 : 492,550.04 = 220,928.16 : x
  2. Step 2: Convert to fraction form
    356,921.32/492,550.04 = 220,928.16/x
  3. Step 3: Cross multiply
    356,921.32x = 492,550.04 × 220,928.16
  4. Step 4: Simplify right side
    356,921.32x = 108,818,174,045.13
  5. Step 5: Solve for x
    x = 108,818,174,045.13/356,921.32
  6. Step 6: Final answer
    x = 304,880.01

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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.