Finding the Fourth Proportional to 245,070.96, 367,345.08 and 139,662.96
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Solution
The fourth proportional to 245,070.96, 367,345.08 and 139,662.96 is: 209,345.49
Step by Step Solution
- Step 1: Write the proportion equation
245,070.96 : 367,345.08 = 139,662.96 : x - Step 2: Convert to fraction form
245,070.96/367,345.08 = 139,662.96/x - Step 3: Cross multiply
245,070.96x = 367,345.08 × 139,662.96 - Step 4: Simplify right side
245,070.96x = 51,304,501,214.24 - Step 5: Solve for x
x = 51,304,501,214.24/245,070.96 - Step 6: Final answer
x = 209,345.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.