Home / 403,330.50-556,586.28-222,040.98

Finding the Fourth Proportional to 403,330.50, 556,586.28 and 222,040.98

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Solution

The fourth proportional to 403,330.50, 556,586.28 and 222,040.98 is: 306,411.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,330.50 : 556,586.28 = 222,040.98 : x
  2. Step 2: Convert to fraction form
    403,330.50/556,586.28 = 222,040.98/x
  3. Step 3: Cross multiply
    403,330.50x = 556,586.28 × 222,040.98
  4. Step 4: Simplify right side
    403,330.50x = 123,584,963,065.75
  5. Step 5: Solve for x
    x = 123,584,963,065.75/403,330.50
  6. Step 6: Final answer
    x = 306,411.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.