Home / 304,816.86-420,852.75-190,269.96

Finding the Fourth Proportional to 304,816.86, 420,852.75 and 190,269.96

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Solution

The fourth proportional to 304,816.86, 420,852.75 and 190,269.96 is: 262,700.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,816.86 : 420,852.75 = 190,269.96 : x
  2. Step 2: Convert to fraction form
    304,816.86/420,852.75 = 190,269.96/x
  3. Step 3: Cross multiply
    304,816.86x = 420,852.75 × 190,269.96
  4. Step 4: Simplify right side
    304,816.86x = 80,075,635,908.39
  5. Step 5: Solve for x
    x = 80,075,635,908.39/304,816.86
  6. Step 6: Final answer
    x = 262,700.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.