Finding the Fourth Proportional to 314,348.58, 433,788.96 and 178,374.42
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Solution
The fourth proportional to 314,348.58, 433,788.96 and 178,374.42 is: 246,149.84
Step by Step Solution
- Step 1: Write the proportion equation
314,348.58 : 433,788.96 = 178,374.42 : x - Step 2: Convert to fraction form
314,348.58/433,788.96 = 178,374.42/x - Step 3: Cross multiply
314,348.58x = 433,788.96 × 178,374.42 - Step 4: Simplify right side
314,348.58x = 77,376,854,142.40 - Step 5: Solve for x
x = 77,376,854,142.40/314,348.58 - Step 6: Final answer
x = 246,149.84
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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.