Finding the Fourth Proportional to 108,316.84, 149,481.32 and 60,570.08
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Solution
The fourth proportional to 108,316.84, 149,481.32 and 60,570.08 is: 83,588.99
Step by Step Solution
- Step 1: Write the proportion equation
108,316.84 : 149,481.32 = 60,570.08 : x - Step 2: Convert to fraction form
108,316.84/149,481.32 = 60,570.08/x - Step 3: Cross multiply
108,316.84x = 149,481.32 × 60,570.08 - Step 4: Simplify right side
108,316.84x = 9,054,095,510.91 - Step 5: Solve for x
x = 9,054,095,510.91/108,316.84 - Step 6: Final answer
x = 83,588.99
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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.