Home / 460,130.39-690,112.47-160,696.60

Finding the Fourth Proportional to 460,130.39, 690,112.47 and 160,696.60

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Solution

The fourth proportional to 460,130.39, 690,112.47 and 160,696.60 is: 241,015.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,130.39 : 690,112.47 = 160,696.60 : x
  2. Step 2: Convert to fraction form
    460,130.39/690,112.47 = 160,696.60/x
  3. Step 3: Cross multiply
    460,130.39x = 690,112.47 × 160,696.60
  4. Step 4: Simplify right side
    460,130.39x = 110,898,725,821.32
  5. Step 5: Solve for x
    x = 110,898,725,821.32/460,130.39
  6. Step 6: Final answer
    x = 241,015.87

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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.