Home / 409,348.08-564,896.63-228,056.72

Finding the Fourth Proportional to 409,348.08, 564,896.63 and 228,056.72

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Solution

The fourth proportional to 409,348.08, 564,896.63 and 228,056.72 is: 314,716.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,348.08 : 564,896.63 = 228,056.72 : x
  2. Step 2: Convert to fraction form
    409,348.08/564,896.63 = 228,056.72/x
  3. Step 3: Cross multiply
    409,348.08x = 564,896.63 × 228,056.72
  4. Step 4: Simplify right side
    409,348.08x = 128,828,470,322.51
  5. Step 5: Solve for x
    x = 128,828,470,322.51/409,348.08
  6. Step 6: Final answer
    x = 314,716.20

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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.