Finding the Fourth Proportional to 135,316.65, 202,972.78 and 46,570.96
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Solution
The fourth proportional to 135,316.65, 202,972.78 and 46,570.96 is: 69,855.68
Step by Step Solution
- Step 1: Write the proportion equation
135,316.65 : 202,972.78 = 46,570.96 : x - Step 2: Convert to fraction form
135,316.65/202,972.78 = 46,570.96/x - Step 3: Cross multiply
135,316.65x = 202,972.78 × 46,570.96 - Step 4: Simplify right side
135,316.65x = 9,452,637,218.47 - Step 5: Solve for x
x = 9,452,637,218.47/135,316.65 - Step 6: Final answer
x = 69,855.68
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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.