Finding the Fourth Proportional to 315,329.23, 472,712.52 and 115,602.97
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Solution
The fourth proportional to 315,329.23, 472,712.52 and 115,602.97 is: 173,301.32
Step by Step Solution
- Step 1: Write the proportion equation
315,329.23 : 472,712.52 = 115,602.97 : x - Step 2: Convert to fraction form
315,329.23/472,712.52 = 115,602.97/x - Step 3: Cross multiply
315,329.23x = 472,712.52 × 115,602.97 - Step 4: Simplify right side
315,329.23x = 54,646,971,268.18 - Step 5: Solve for x
x = 54,646,971,268.18/315,329.23 - Step 6: Final answer
x = 173,301.32
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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.