Finding the Fourth Proportional to 217,199.30, 299,402.76 and 152,486.99
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Solution
The fourth proportional to 217,199.30, 299,402.76 and 152,486.99 is: 210,198.77
Step by Step Solution
- Step 1: Write the proportion equation
217,199.30 : 299,402.76 = 152,486.99 : x - Step 2: Convert to fraction form
217,199.30/299,402.76 = 152,486.99/x - Step 3: Cross multiply
217,199.30x = 299,402.76 × 152,486.99 - Step 4: Simplify right side
217,199.30x = 45,655,025,670.09 - Step 5: Solve for x
x = 45,655,025,670.09/217,199.30 - Step 6: Final answer
x = 210,198.77
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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.