Home / 228,409.02-342,416.52-109,917.36

Finding the Fourth Proportional to 228,409.02, 342,416.52 and 109,917.36

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Solution

The fourth proportional to 228,409.02, 342,416.52 and 109,917.36 is: 164,781.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,409.02 : 342,416.52 = 109,917.36 : x
  2. Step 2: Convert to fraction form
    228,409.02/342,416.52 = 109,917.36/x
  3. Step 3: Cross multiply
    228,409.02x = 342,416.52 × 109,917.36
  4. Step 4: Simplify right side
    228,409.02x = 37,637,519,898.79
  5. Step 5: Solve for x
    x = 37,637,519,898.79/228,409.02
  6. Step 6: Final answer
    x = 164,781.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.