Home / 409,436.49-565,016.60-228,156.06

Finding the Fourth Proportional to 409,436.49, 565,016.60 and 228,156.06

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Solution

The fourth proportional to 409,436.49, 565,016.60 and 228,156.06 is: 314,852.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,436.49 : 565,016.60 = 228,156.06 : x
  2. Step 2: Convert to fraction form
    409,436.49/565,016.60 = 228,156.06/x
  3. Step 3: Cross multiply
    409,436.49x = 565,016.60 × 228,156.06
  4. Step 4: Simplify right side
    409,436.49x = 128,911,961,860.99
  5. Step 5: Solve for x
    x = 128,911,961,860.99/409,436.49
  6. Step 6: Final answer
    x = 314,852.16

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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.