Finding the Fourth Proportional to 1,135,140.18, 1,702,661.06 and 282,193.98
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Solution
The fourth proportional to 1,135,140.18, 1,702,661.06 and 282,193.98 is: 423,278.74
Step by Step Solution
- Step 1: Write the proportion equation
1,135,140.18 : 1,702,661.06 = 282,193.98 : x - Step 2: Convert to fraction form
1,135,140.18/1,702,661.06 = 282,193.98/x - Step 3: Cross multiply
1,135,140.18x = 1,702,661.06 × 282,193.98 - Step 4: Simplify right side
1,135,140.18x = 480,480,699,701.45 - Step 5: Solve for x
x = 480,480,699,701.45/1,135,140.18 - Step 6: Final answer
x = 423,278.74
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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.