Home / 291,312.23-436,146.66-154,224.72

Finding the Fourth Proportional to 291,312.23, 436,146.66 and 154,224.72

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Solution

The fourth proportional to 291,312.23, 436,146.66 and 154,224.72 is: 230,902.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,312.23 : 436,146.66 = 154,224.72 : x
  2. Step 2: Convert to fraction form
    291,312.23/436,146.66 = 154,224.72/x
  3. Step 3: Cross multiply
    291,312.23x = 436,146.66 × 154,224.72
  4. Step 4: Simplify right side
    291,312.23x = 67,264,596,517.44
  5. Step 5: Solve for x
    x = 67,264,596,517.44/291,312.23
  6. Step 6: Final answer
    x = 230,902.07

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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.