Finding the Fourth Proportional to 379,392.40, 569,117.40 and 113,132.08
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Solution
The fourth proportional to 379,392.40, 569,117.40 and 113,132.08 is: 169,706.71
Step by Step Solution
- Step 1: Write the proportion equation
379,392.40 : 569,117.40 = 113,132.08 : x - Step 2: Convert to fraction form
379,392.40/569,117.40 = 113,132.08/x - Step 3: Cross multiply
379,392.40x = 569,117.40 × 113,132.08 - Step 4: Simplify right side
379,392.40x = 64,385,435,226.19 - Step 5: Solve for x
x = 64,385,435,226.19/379,392.40 - Step 6: Final answer
x = 169,706.71
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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.