Finding the Fourth Proportional to 479,410.97, 719,437.49 and 198,928.49
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Solution
The fourth proportional to 479,410.97, 719,437.49 and 198,928.49 is: 298,525.95
Step by Step Solution
- Step 1: Write the proportion equation
479,410.97 : 719,437.49 = 198,928.49 : x - Step 2: Convert to fraction form
479,410.97/719,437.49 = 198,928.49/x - Step 3: Cross multiply
479,410.97x = 719,437.49 × 198,928.49 - Step 4: Simplify right side
479,410.97x = 143,116,615,831.01 - Step 5: Solve for x
x = 143,116,615,831.01/479,410.97 - Step 6: Final answer
x = 298,525.95
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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.