Finding the Fourth Proportional to 427,816.55, 590,393.80 and 234,220.99
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Solution
The fourth proportional to 427,816.55, 590,393.80 and 234,220.99 is: 323,228.78
Step by Step Solution
- Step 1: Write the proportion equation
427,816.55 : 590,393.80 = 234,220.99 : x - Step 2: Convert to fraction form
427,816.55/590,393.80 = 234,220.99/x - Step 3: Cross multiply
427,816.55x = 590,393.80 × 234,220.99 - Step 4: Simplify right side
427,816.55x = 138,282,623,271.78 - Step 5: Solve for x
x = 138,282,623,271.78/427,816.55 - Step 6: Final answer
x = 323,228.78
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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.