Finding the Fourth Proportional to 175,781.64, 242,593.58 and 99,314.79
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Solution
The fourth proportional to 175,781.64, 242,593.58 and 99,314.79 is: 137,062.84
Step by Step Solution
- Step 1: Write the proportion equation
175,781.64 : 242,593.58 = 99,314.79 : x - Step 2: Convert to fraction form
175,781.64/242,593.58 = 99,314.79/x - Step 3: Cross multiply
175,781.64x = 242,593.58 × 99,314.79 - Step 4: Simplify right side
175,781.64x = 24,093,130,453.05 - Step 5: Solve for x
x = 24,093,130,453.05/175,781.64 - Step 6: Final answer
x = 137,062.84
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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.