Finding the Fourth Proportional to 509,536.60, 764,207.70 and 154,562.20
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Solution
The fourth proportional to 509,536.60, 764,207.70 and 154,562.20 is: 231,813.82
Step by Step Solution
- Step 1: Write the proportion equation
509,536.60 : 764,207.70 = 154,562.20 : x - Step 2: Convert to fraction form
509,536.60/764,207.70 = 154,562.20/x - Step 3: Cross multiply
509,536.60x = 764,207.70 × 154,562.20 - Step 4: Simplify right side
509,536.60x = 118,117,623,368.94 - Step 5: Solve for x
x = 118,117,623,368.94/509,536.60 - Step 6: Final answer
x = 231,813.82
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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.