Home / 356,038.54-533,688.73-222,612.40

Finding the Fourth Proportional to 356,038.54, 533,688.73 and 222,612.40

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Solution

The fourth proportional to 356,038.54, 533,688.73 and 222,612.40 is: 333,687.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,038.54 : 533,688.73 = 222,612.40 : x
  2. Step 2: Convert to fraction form
    356,038.54/533,688.73 = 222,612.40/x
  3. Step 3: Cross multiply
    356,038.54x = 533,688.73 × 222,612.40
  4. Step 4: Simplify right side
    356,038.54x = 118,805,730,401.03
  5. Step 5: Solve for x
    x = 118,805,730,401.03/356,038.54
  6. Step 6: Final answer
    x = 333,687.84

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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.