Finding the Fourth Proportional to 476,779.62, 715,153.20 and 223,918.68
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Solution
The fourth proportional to 476,779.62, 715,153.20 and 223,918.68 is: 335,870.40
Step by Step Solution
- Step 1: Write the proportion equation
476,779.62 : 715,153.20 = 223,918.68 : x - Step 2: Convert to fraction form
476,779.62/715,153.20 = 223,918.68/x - Step 3: Cross multiply
476,779.62x = 715,153.20 × 223,918.68 - Step 4: Simplify right side
476,779.62x = 160,136,160,541.78 - Step 5: Solve for x
x = 160,136,160,541.78/476,779.62 - Step 6: Final answer
x = 335,870.40
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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.