Finding the Fourth Proportional to 212,726.97, 293,557.81 and 115,933.31
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Solution
The fourth proportional to 212,726.97, 293,557.81 and 115,933.31 is: 159,985.03
Step by Step Solution
- Step 1: Write the proportion equation
212,726.97 : 293,557.81 = 115,933.31 : x - Step 2: Convert to fraction form
212,726.97/293,557.81 = 115,933.31/x - Step 3: Cross multiply
212,726.97x = 293,557.81 × 115,933.31 - Step 4: Simplify right side
212,726.97x = 34,033,129,801.51 - Step 5: Solve for x
x = 34,033,129,801.51/212,726.97 - Step 6: Final answer
x = 159,985.03
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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.