Home / 514,399.21-771,316.93-159,314.65

Finding the Fourth Proportional to 514,399.21, 771,316.93 and 159,314.65

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Solution

The fourth proportional to 514,399.21, 771,316.93 and 159,314.65 is: 238,884.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,399.21 : 771,316.93 = 159,314.65 : x
  2. Step 2: Convert to fraction form
    514,399.21/771,316.93 = 159,314.65/x
  3. Step 3: Cross multiply
    514,399.21x = 771,316.93 × 159,314.65
  4. Step 4: Simplify right side
    514,399.21x = 122,882,086,742.03
  5. Step 5: Solve for x
    x = 122,882,086,742.03/514,399.21
  6. Step 6: Final answer
    x = 238,884.67

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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.