Finding the Fourth Proportional to 175,643.10, 242,327.99 and 114,361.31
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Solution
The fourth proportional to 175,643.10, 242,327.99 and 114,361.31 is: 157,779.86
Step by Step Solution
- Step 1: Write the proportion equation
175,643.10 : 242,327.99 = 114,361.31 : x - Step 2: Convert to fraction form
175,643.10/242,327.99 = 114,361.31/x - Step 3: Cross multiply
175,643.10x = 242,327.99 × 114,361.31 - Step 4: Simplify right side
175,643.10x = 27,712,944,602.62 - Step 5: Solve for x
x = 27,712,944,602.62/175,643.10 - Step 6: Final answer
x = 157,779.86
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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.