Finding the Fourth Proportional to 135,516.98, 203,461.67 and 69,001.80
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Solution
The fourth proportional to 135,516.98, 203,461.67 and 69,001.80 is: 103,597.51
Step by Step Solution
- Step 1: Write the proportion equation
135,516.98 : 203,461.67 = 69,001.80 : x - Step 2: Convert to fraction form
135,516.98/203,461.67 = 69,001.80/x - Step 3: Cross multiply
135,516.98x = 203,461.67 × 69,001.80 - Step 4: Simplify right side
135,516.98x = 14,039,221,116.00 - Step 5: Solve for x
x = 14,039,221,116.00/135,516.98 - Step 6: Final answer
x = 103,597.51
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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.