Finding the Fourth Proportional to 306,024.95, 422,312.82 and 168,207.05
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Solution
The fourth proportional to 306,024.95, 422,312.82 and 168,207.05 is: 232,124.84
Step by Step Solution
- Step 1: Write the proportion equation
306,024.95 : 422,312.82 = 168,207.05 : x - Step 2: Convert to fraction form
306,024.95/422,312.82 = 168,207.05/x - Step 3: Cross multiply
306,024.95x = 422,312.82 × 168,207.05 - Step 4: Simplify right side
306,024.95x = 71,035,991,517.82 - Step 5: Solve for x
x = 71,035,991,517.82/306,024.95 - Step 6: Final answer
x = 232,124.84
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1.5x scale
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.