Home / 315,145.02-472,717.53-115,384.44

Finding the Fourth Proportional to 315,145.02, 472,717.53 and 115,384.44

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Solution

The fourth proportional to 315,145.02, 472,717.53 and 115,384.44 is: 173,076.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,145.02 : 472,717.53 = 115,384.44 : x
  2. Step 2: Convert to fraction form
    315,145.02/472,717.53 = 115,384.44/x
  3. Step 3: Cross multiply
    315,145.02x = 472,717.53 × 115,384.44
  4. Step 4: Simplify right side
    315,145.02x = 54,544,247,477.23
  5. Step 5: Solve for x
    x = 54,544,247,477.23/315,145.02
  6. Step 6: Final answer
    x = 173,076.66

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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.