Finding the Fourth Proportional to 509,638.68, 764,418.96 and 154,654.56
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Solution
The fourth proportional to 509,638.68, 764,418.96 and 154,654.56 is: 231,969.99
Step by Step Solution
- Step 1: Write the proportion equation
509,638.68 : 764,418.96 = 154,654.56 : x - Step 2: Convert to fraction form
509,638.68/764,418.96 = 154,654.56/x - Step 3: Cross multiply
509,638.68x = 764,418.96 × 154,654.56 - Step 4: Simplify right side
509,638.68x = 118,220,877,914.46 - Step 5: Solve for x
x = 118,220,877,914.46/509,638.68 - Step 6: Final answer
x = 231,969.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.