Finding the Fourth Proportional to 212,263.08, 318,320.70 and 70,077.96
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Solution
The fourth proportional to 212,263.08, 318,320.70 and 70,077.96 is: 105,092.54
Step by Step Solution
- Step 1: Write the proportion equation
212,263.08 : 318,320.70 = 70,077.96 : x - Step 2: Convert to fraction form
212,263.08/318,320.70 = 70,077.96/x - Step 3: Cross multiply
212,263.08x = 318,320.70 × 70,077.96 - Step 4: Simplify right side
212,263.08x = 22,307,265,281.77 - Step 5: Solve for x
x = 22,307,265,281.77/212,263.08 - Step 6: Final answer
x = 105,092.54
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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.