Finding the Fourth Proportional to 258,701.98, 388,053.08 and 116,381.02
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Solution
The fourth proportional to 258,701.98, 388,053.08 and 116,381.02 is: 174,571.58
Step by Step Solution
- Step 1: Write the proportion equation
258,701.98 : 388,053.08 = 116,381.02 : x - Step 2: Convert to fraction form
258,701.98/388,053.08 = 116,381.02/x - Step 3: Cross multiply
258,701.98x = 388,053.08 × 116,381.02 - Step 4: Simplify right side
258,701.98x = 45,162,013,264.54 - Step 5: Solve for x
x = 45,162,013,264.54/258,701.98 - Step 6: Final answer
x = 174,571.58
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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.