Home / 409,205.12-564,718.32-225,451.16

Finding the Fourth Proportional to 409,205.12, 564,718.32 and 225,451.16

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Solution

The fourth proportional to 409,205.12, 564,718.32 and 225,451.16 is: 311,131.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,205.12 : 564,718.32 = 225,451.16 : x
  2. Step 2: Convert to fraction form
    409,205.12/564,718.32 = 225,451.16/x
  3. Step 3: Cross multiply
    409,205.12x = 564,718.32 × 225,451.16
  4. Step 4: Simplify right side
    409,205.12x = 127,316,400,317.25
  5. Step 5: Solve for x
    x = 127,316,400,317.25/409,205.12
  6. Step 6: Final answer
    x = 311,131.01

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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.