Home / 414,548.80-621,669.60-134,075.20

Finding the Fourth Proportional to 414,548.80, 621,669.60 and 134,075.20

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Solution

The fourth proportional to 414,548.80, 621,669.60 and 134,075.20 is: 201,063.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,548.80 : 621,669.60 = 134,075.20 : x
  2. Step 2: Convert to fraction form
    414,548.80/621,669.60 = 134,075.20/x
  3. Step 3: Cross multiply
    414,548.80x = 621,669.60 × 134,075.20
  4. Step 4: Simplify right side
    414,548.80x = 83,350,475,953.92
  5. Step 5: Solve for x
    x = 83,350,475,953.92/414,548.80
  6. Step 6: Final answer
    x = 201,063.12

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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.