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Finding the Fourth Proportional to 200,477.76, 276,670.08 and 115,598.40

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Solution

The fourth proportional to 200,477.76, 276,670.08 and 115,598.40 is: 159,532.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,477.76 : 276,670.08 = 115,598.40 : x
  2. Step 2: Convert to fraction form
    200,477.76/276,670.08 = 115,598.40/x
  3. Step 3: Cross multiply
    200,477.76x = 276,670.08 × 115,598.40
  4. Step 4: Simplify right side
    200,477.76x = 31,982,618,575.87
  5. Step 5: Solve for x
    x = 31,982,618,575.87/200,477.76
  6. Step 6: Final answer
    x = 159,532.00

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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.