Home / 265,868.51-397,865.97-166,075.70

Finding the Fourth Proportional to 265,868.51, 397,865.97 and 166,075.70

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Solution

The fourth proportional to 265,868.51, 397,865.97 and 166,075.70 is: 248,528.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,868.51 : 397,865.97 = 166,075.70 : x
  2. Step 2: Convert to fraction form
    265,868.51/397,865.97 = 166,075.70/x
  3. Step 3: Cross multiply
    265,868.51x = 397,865.97 × 166,075.70
  4. Step 4: Simplify right side
    265,868.51x = 66,075,867,484.60
  5. Step 5: Solve for x
    x = 66,075,867,484.60/265,868.51
  6. Step 6: Final answer
    x = 248,528.37

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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.