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Finding the Fourth Proportional to 304,797.48, 420,580.67 and 175,740.81

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Solution

The fourth proportional to 304,797.48, 420,580.67 and 175,740.81 is: 242,499.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,797.48 : 420,580.67 = 175,740.81 : x
  2. Step 2: Convert to fraction form
    304,797.48/420,580.67 = 175,740.81/x
  3. Step 3: Cross multiply
    304,797.48x = 420,580.67 × 175,740.81
  4. Step 4: Simplify right side
    304,797.48x = 73,913,186,737.44
  5. Step 5: Solve for x
    x = 73,913,186,737.44/304,797.48
  6. Step 6: Final answer
    x = 242,499.34

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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.