Home / 311,948.16-430,462.08-184,601.28

Finding the Fourth Proportional to 311,948.16, 430,462.08 and 184,601.28

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Solution

The fourth proportional to 311,948.16, 430,462.08 and 184,601.28 is: 254,734.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,948.16 : 430,462.08 = 184,601.28 : x
  2. Step 2: Convert to fraction form
    311,948.16/430,462.08 = 184,601.28/x
  3. Step 3: Cross multiply
    311,948.16x = 430,462.08 × 184,601.28
  4. Step 4: Simplify right side
    311,948.16x = 79,463,850,959.46
  5. Step 5: Solve for x
    x = 79,463,850,959.46/311,948.16
  6. Step 6: Final answer
    x = 254,734.16

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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.