Finding the Fourth Proportional to 212,862.08, 293,762.88 and 117,368.48
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Solution
The fourth proportional to 212,862.08, 293,762.88 and 117,368.48 is: 161,975.79
Step by Step Solution
- Step 1: Write the proportion equation
212,862.08 : 293,762.88 = 117,368.48 : x - Step 2: Convert to fraction form
212,862.08/293,762.88 = 117,368.48/x - Step 3: Cross multiply
212,862.08x = 293,762.88 × 117,368.48 - Step 4: Simplify right side
212,862.08x = 34,478,502,706.02 - Step 5: Solve for x
x = 34,478,502,706.02/212,862.08 - Step 6: Final answer
x = 161,975.79
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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.