Finding the Fourth Proportional to 471,720.87, 707,409.99 and 205,417.17
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Solution
The fourth proportional to 471,720.87, 707,409.99 and 205,417.17 is: 308,051.15
Step by Step Solution
- Step 1: Write the proportion equation
471,720.87 : 707,409.99 = 205,417.17 : x - Step 2: Convert to fraction form
471,720.87/707,409.99 = 205,417.17/x - Step 3: Cross multiply
471,720.87x = 707,409.99 × 205,417.17 - Step 4: Simplify right side
471,720.87x = 145,314,158,175.53 - Step 5: Solve for x
x = 145,314,158,175.53/471,720.87 - Step 6: Final answer
x = 308,051.15
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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.