Finding the Fourth Proportional to 203,667.75, 305,501.88 and 70,547.99
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Solution
The fourth proportional to 203,667.75, 305,501.88 and 70,547.99 is: 105,822.07
Step by Step Solution
- Step 1: Write the proportion equation
203,667.75 : 305,501.88 = 70,547.99 : x - Step 2: Convert to fraction form
203,667.75/305,501.88 = 70,547.99/x - Step 3: Cross multiply
203,667.75x = 305,501.88 × 70,547.99 - Step 4: Simplify right side
203,667.75x = 21,552,543,310.67 - Step 5: Solve for x
x = 21,552,543,310.67/203,667.75 - Step 6: Final answer
x = 105,822.07
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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.