Finding the Fourth Proportional to 212,502.08, 293,259.32 and 117,012.19
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Solution
The fourth proportional to 212,502.08, 293,259.32 and 117,012.19 is: 161,480.37
Step by Step Solution
- Step 1: Write the proportion equation
212,502.08 : 293,259.32 = 117,012.19 : x - Step 2: Convert to fraction form
212,502.08/293,259.32 = 117,012.19/x - Step 3: Cross multiply
212,502.08x = 293,259.32 × 117,012.19 - Step 4: Simplify right side
212,502.08x = 34,314,914,686.05 - Step 5: Solve for x
x = 34,314,914,686.05/212,502.08 - Step 6: Final answer
x = 161,480.37
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1.5x scale
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.