Finding the Fourth Proportional to 352,497.62, 528,727.79 and 217,587.26
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Solution
The fourth proportional to 352,497.62, 528,727.79 and 217,587.26 is: 326,369.38
Step by Step Solution
- Step 1: Write the proportion equation
352,497.62 : 528,727.79 = 217,587.26 : x - Step 2: Convert to fraction form
352,497.62/528,727.79 = 217,587.26/x - Step 3: Cross multiply
352,497.62x = 528,727.79 × 217,587.26 - Step 4: Simplify right side
352,497.62x = 115,044,430,024.02 - Step 5: Solve for x
x = 115,044,430,024.02/352,497.62 - Step 6: Final answer
x = 326,369.38
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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.