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Finding the Fourth Proportional to 203,533.67, 280,551.93 and 160,442.89

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Solution

The fourth proportional to 203,533.67, 280,551.93 and 160,442.89 is: 221,155.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,533.67 : 280,551.93 = 160,442.89 : x
  2. Step 2: Convert to fraction form
    203,533.67/280,551.93 = 160,442.89/x
  3. Step 3: Cross multiply
    203,533.67x = 280,551.93 × 160,442.89
  4. Step 4: Simplify right side
    203,533.67x = 45,012,562,444.28
  5. Step 5: Solve for x
    x = 45,012,562,444.28/203,533.67
  6. Step 6: Final answer
    x = 221,155.36

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1.5x scale

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.