Home / 409,116.61-564,593.78-225,368.52

Finding the Fourth Proportional to 409,116.61, 564,593.78 and 225,368.52

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Solution

The fourth proportional to 409,116.61, 564,593.78 and 225,368.52 is: 311,015.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,116.61 : 564,593.78 = 225,368.52 : x
  2. Step 2: Convert to fraction form
    409,116.61/564,593.78 = 225,368.52/x
  3. Step 3: Cross multiply
    409,116.61x = 564,593.78 × 225,368.52
  4. Step 4: Simplify right side
    409,116.61x = 127,241,664,599.81
  5. Step 5: Solve for x
    x = 127,241,664,599.81/409,116.61
  6. Step 6: Final answer
    x = 311,015.64

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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.