Home / 212,675.28-319,075.20-62,919.54

Finding the Fourth Proportional to 212,675.28, 319,075.20 and 62,919.54

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Solution

The fourth proportional to 212,675.28, 319,075.20 and 62,919.54 is: 94,397.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,675.28 : 319,075.20 = 62,919.54 : x
  2. Step 2: Convert to fraction form
    212,675.28/319,075.20 = 62,919.54/x
  3. Step 3: Cross multiply
    212,675.28x = 319,075.20 × 62,919.54
  4. Step 4: Simplify right side
    212,675.28x = 20,076,064,809.41
  5. Step 5: Solve for x
    x = 20,076,064,809.41/212,675.28
  6. Step 6: Final answer
    x = 94,397.74

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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.