Finding the Fourth Proportional to 419,955.48, 579,551.26 and 228,972.06
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Solution
The fourth proportional to 419,955.48, 579,551.26 and 228,972.06 is: 315,988.37
Step by Step Solution
- Step 1: Write the proportion equation
419,955.48 : 579,551.26 = 228,972.06 : x - Step 2: Convert to fraction form
419,955.48/579,551.26 = 228,972.06/x - Step 3: Cross multiply
419,955.48x = 579,551.26 × 228,972.06 - Step 4: Simplify right side
419,955.48x = 132,701,045,877.80 - Step 5: Solve for x
x = 132,701,045,877.80/419,955.48 - Step 6: Final answer
x = 315,988.37
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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.