Finding the Fourth Proportional to 466,482.82, 643,944.92 and 313,609.67
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Solution
The fourth proportional to 466,482.82, 643,944.92 and 313,609.67 is: 432,914.88
Step by Step Solution
- Step 1: Write the proportion equation
466,482.82 : 643,944.92 = 313,609.67 : x - Step 2: Convert to fraction form
466,482.82/643,944.92 = 313,609.67/x - Step 3: Cross multiply
466,482.82x = 643,944.92 × 313,609.67 - Step 4: Simplify right side
466,482.82x = 201,947,353,901.19 - Step 5: Solve for x
x = 201,947,353,901.19/466,482.82 - Step 6: Final answer
x = 432,914.88
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.