Home / 212,360.93-318,541.06-145,598.66

Finding the Fourth Proportional to 212,360.93, 318,541.06 and 145,598.66

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Solution

The fourth proportional to 212,360.93, 318,541.06 and 145,598.66 is: 218,397.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,360.93 : 318,541.06 = 145,598.66 : x
  2. Step 2: Convert to fraction form
    212,360.93/318,541.06 = 145,598.66/x
  3. Step 3: Cross multiply
    212,360.93x = 318,541.06 × 145,598.66
  4. Step 4: Simplify right side
    212,360.93x = 46,379,149,170.28
  5. Step 5: Solve for x
    x = 46,379,149,170.28/212,360.93
  6. Step 6: Final answer
    x = 218,397.75

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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.