Finding the Fourth Proportional to 808,209.48, 1,212,270.24 and 247,243.96
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Solution
The fourth proportional to 808,209.48, 1,212,270.24 and 247,243.96 is: 370,852.49
Step by Step Solution
- Step 1: Write the proportion equation
808,209.48 : 1,212,270.24 = 247,243.96 : x - Step 2: Convert to fraction form
808,209.48/1,212,270.24 = 247,243.96/x - Step 3: Cross multiply
808,209.48x = 1,212,270.24 × 247,243.96 - Step 4: Simplify right side
808,209.48x = 299,726,494,727.75 - Step 5: Solve for x
x = 299,726,494,727.75/808,209.48 - Step 6: Final answer
x = 370,852.49
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1.5x scale
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.