Finding the Fourth Proportional to 312,570.24, 468,848.80 and 75,914.08
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Solution
The fourth proportional to 312,570.24, 468,848.80 and 75,914.08 is: 113,869.53
Step by Step Solution
- Step 1: Write the proportion equation
312,570.24 : 468,848.80 = 75,914.08 : x - Step 2: Convert to fraction form
312,570.24/468,848.80 = 75,914.08/x - Step 3: Cross multiply
312,570.24x = 468,848.80 × 75,914.08 - Step 4: Simplify right side
312,570.24x = 35,592,225,311.10 - Step 5: Solve for x
x = 35,592,225,311.10/312,570.24 - Step 6: Final answer
x = 113,869.53
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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.