Finding the Fourth Proportional to 608,813.84, 913,211.19 and 209,458.08
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Solution
The fourth proportional to 608,813.84, 913,211.19 and 209,458.08 is: 314,183.83
Step by Step Solution
- Step 1: Write the proportion equation
608,813.84 : 913,211.19 = 209,458.08 : x - Step 2: Convert to fraction form
608,813.84/913,211.19 = 209,458.08/x - Step 3: Cross multiply
608,813.84x = 913,211.19 × 209,458.08 - Step 4: Simplify right side
608,813.84x = 191,279,462,491.92 - Step 5: Solve for x
x = 191,279,462,491.92/608,813.84 - Step 6: Final answer
x = 314,183.83
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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.