Home / 291,313.23-436,148.16-154,225.72

Finding the Fourth Proportional to 291,313.23, 436,148.16 and 154,225.72

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Solution

The fourth proportional to 291,313.23, 436,148.16 and 154,225.72 is: 230,903.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,313.23 : 436,148.16 = 154,225.72 : x
  2. Step 2: Convert to fraction form
    291,313.23/436,148.16 = 154,225.72/x
  3. Step 3: Cross multiply
    291,313.23x = 436,148.16 × 154,225.72
  4. Step 4: Simplify right side
    291,313.23x = 67,265,264,002.68
  5. Step 5: Solve for x
    x = 67,265,264,002.68/291,313.23
  6. Step 6: Final answer
    x = 230,903.57

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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.