Finding the Fourth Proportional to 202,558.08, 303,199.26 and 139,006.62
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Solution
The fourth proportional to 202,558.08, 303,199.26 and 139,006.62 is: 208,072.19
Step by Step Solution
- Step 1: Write the proportion equation
202,558.08 : 303,199.26 = 139,006.62 : x - Step 2: Convert to fraction form
202,558.08/303,199.26 = 139,006.62/x - Step 3: Cross multiply
202,558.08x = 303,199.26 × 139,006.62 - Step 4: Simplify right side
202,558.08x = 42,146,704,319.10 - Step 5: Solve for x
x = 42,146,704,319.10/202,558.08 - Step 6: Final answer
x = 208,072.19
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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.