Finding the Fourth Proportional to 247,290.68, 370,902.40 and 69,811.98
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Solution
The fourth proportional to 247,290.68, 370,902.40 and 69,811.98 is: 104,708.48
Step by Step Solution
- Step 1: Write the proportion equation
247,290.68 : 370,902.40 = 69,811.98 : x - Step 2: Convert to fraction form
247,290.68/370,902.40 = 69,811.98/x - Step 3: Cross multiply
247,290.68x = 370,902.40 × 69,811.98 - Step 4: Simplify right side
247,290.68x = 25,893,430,930.75 - Step 5: Solve for x
x = 25,893,430,930.75/247,290.68 - Step 6: Final answer
x = 104,708.48
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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.