Finding the Fourth Proportional to 407,598.23, 611,503.05 and 154,883.09
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Solution
The fourth proportional to 407,598.23, 611,503.05 and 154,883.09 is: 232,364.80
Step by Step Solution
- Step 1: Write the proportion equation
407,598.23 : 611,503.05 = 154,883.09 : x - Step 2: Convert to fraction form
407,598.23/611,503.05 = 154,883.09/x - Step 3: Cross multiply
407,598.23x = 611,503.05 × 154,883.09 - Step 4: Simplify right side
407,598.23x = 94,711,478,870.91 - Step 5: Solve for x
x = 94,711,478,870.91/407,598.23 - Step 6: Final answer
x = 232,364.80
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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.