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Finding the Fourth Proportional to 377,018.70, 565,528.05 and 216,930.30

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Solution

The fourth proportional to 377,018.70, 565,528.05 and 216,930.30 is: 325,395.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,018.70 : 565,528.05 = 216,930.30 : x
  2. Step 2: Convert to fraction form
    377,018.70/565,528.05 = 216,930.30/x
  3. Step 3: Cross multiply
    377,018.70x = 565,528.05 × 216,930.30
  4. Step 4: Simplify right side
    377,018.70x = 122,680,169,544.92
  5. Step 5: Solve for x
    x = 122,680,169,544.92/377,018.70
  6. Step 6: Final answer
    x = 325,395.45

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1.5x scale

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.