Home / 393,325.04-590,009.70-112,835

Finding the Fourth Proportional to 393,325.04, 590,009.70 and 112,835

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Solution

The fourth proportional to 393,325.04, 590,009.70 and 112,835 is: 169,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,325.04 : 590,009.70 = 112,835 : x
  2. Step 2: Convert to fraction form
    393,325.04/590,009.70 = 112,835/x
  3. Step 3: Cross multiply
    393,325.04x = 590,009.70 × 112,835
  4. Step 4: Simplify right side
    393,325.04x = 66,573,744,499.50
  5. Step 5: Solve for x
    x = 66,573,744,499.50/393,325.04
  6. Step 6: Final answer
    x = 169,258.85

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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.