Finding the Fourth Proportional to 379,862.19, 569,540.18 and 209,164.31
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Solution
The fourth proportional to 379,862.19, 569,540.18 and 209,164.31 is: 313,607.09
Step by Step Solution
- Step 1: Write the proportion equation
379,862.19 : 569,540.18 = 209,164.31 : x - Step 2: Convert to fraction form
379,862.19/569,540.18 = 209,164.31/x - Step 3: Cross multiply
379,862.19x = 569,540.18 × 209,164.31 - Step 4: Simplify right side
379,862.19x = 119,127,474,873.45 - Step 5: Solve for x
x = 119,127,474,873.45/379,862.19 - Step 6: Final answer
x = 313,607.09
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.