Home / 942,075-1,413,079.40-268,159.84

Finding the Fourth Proportional to 942,075, 1,413,079.40 and 268,159.84

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Solution

The fourth proportional to 942,075, 1,413,079.40 and 268,159.84 is: 402,230.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,075 : 1,413,079.40 = 268,159.84 : x
  2. Step 2: Convert to fraction form
    942,075/1,413,079.40 = 268,159.84/x
  3. Step 3: Cross multiply
    942,075x = 1,413,079.40 × 268,159.84
  4. Step 4: Simplify right side
    942,075x = 378,931,145,811.30
  5. Step 5: Solve for x
    x = 378,931,145,811.30/942,075
  6. Step 6: Final answer
    x = 402,230.34

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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.