Finding the Fourth Proportional to 1,160,142.96, 1,740,214.44 and 318,699.12
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Solution
The fourth proportional to 1,160,142.96, 1,740,214.44 and 318,699.12 is: 478,048.68
Step by Step Solution
- Step 1: Write the proportion equation
1,160,142.96 : 1,740,214.44 = 318,699.12 : x - Step 2: Convert to fraction form
1,160,142.96/1,740,214.44 = 318,699.12/x - Step 3: Cross multiply
1,160,142.96x = 1,740,214.44 × 318,699.12 - Step 4: Simplify right side
1,160,142.96x = 554,604,810,639.29 - Step 5: Solve for x
x = 554,604,810,639.29/1,160,142.96 - Step 6: Final answer
x = 478,048.68
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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.