Home / 409,429.02-565,004.40-228,137.10

Finding the Fourth Proportional to 409,429.02, 565,004.40 and 228,137.10

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Solution

The fourth proportional to 409,429.02, 565,004.40 and 228,137.10 is: 314,824.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,429.02 : 565,004.40 = 228,137.10 : x
  2. Step 2: Convert to fraction form
    409,429.02/565,004.40 = 228,137.10/x
  3. Step 3: Cross multiply
    409,429.02x = 565,004.40 × 228,137.10
  4. Step 4: Simplify right side
    409,429.02x = 128,898,465,303.24
  5. Step 5: Solve for x
    x = 128,898,465,303.24/409,429.02
  6. Step 6: Final answer
    x = 314,824.94

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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.