Home / 259,000.31-388,527.46-99,075.93

Finding the Fourth Proportional to 259,000.31, 388,527.46 and 99,075.93

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Solution

The fourth proportional to 259,000.31, 388,527.46 and 99,075.93 is: 148,624.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,000.31 : 388,527.46 = 99,075.93 : x
  2. Step 2: Convert to fraction form
    259,000.31/388,527.46 = 99,075.93/x
  3. Step 3: Cross multiply
    259,000.31x = 388,527.46 × 99,075.93
  4. Step 4: Simplify right side
    259,000.31x = 38,493,719,905.98
  5. Step 5: Solve for x
    x = 38,493,719,905.98/259,000.31
  6. Step 6: Final answer
    x = 148,624.22

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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.