Home / 328,289.22-492,290.81-174,381.53

Finding the Fourth Proportional to 328,289.22, 492,290.81 and 174,381.53

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Solution

The fourth proportional to 328,289.22, 492,290.81 and 174,381.53 is: 261,496.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,289.22 : 492,290.81 = 174,381.53 : x
  2. Step 2: Convert to fraction form
    328,289.22/492,290.81 = 174,381.53/x
  3. Step 3: Cross multiply
    328,289.22x = 492,290.81 × 174,381.53
  4. Step 4: Simplify right side
    328,289.22x = 85,846,421,319.38
  5. Step 5: Solve for x
    x = 85,846,421,319.38/328,289.22
  6. Step 6: Final answer
    x = 261,496.32

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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.