Home / 212,050.02-318,074.82-54,278.22

Finding the Fourth Proportional to 212,050.02, 318,074.82 and 54,278.22

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Solution

The fourth proportional to 212,050.02, 318,074.82 and 54,278.22 is: 81,417.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,050.02 : 318,074.82 = 54,278.22 : x
  2. Step 2: Convert to fraction form
    212,050.02/318,074.82 = 54,278.22/x
  3. Step 3: Cross multiply
    212,050.02x = 318,074.82 × 54,278.22
  4. Step 4: Simplify right side
    212,050.02x = 17,264,535,056.42
  5. Step 5: Solve for x
    x = 17,264,535,056.42/212,050.02
  6. Step 6: Final answer
    x = 81,417.28

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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.