Finding the Fourth Proportional to 203,497.80, 305,030.70 and 98,248.20
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Solution
The fourth proportional to 203,497.80, 305,030.70 and 98,248.20 is: 147,268.02
Step by Step Solution
- Step 1: Write the proportion equation
203,497.80 : 305,030.70 = 98,248.20 : x - Step 2: Convert to fraction form
203,497.80/305,030.70 = 98,248.20/x - Step 3: Cross multiply
203,497.80x = 305,030.70 × 98,248.20 - Step 4: Simplify right side
203,497.80x = 29,968,717,219.74 - Step 5: Solve for x
x = 29,968,717,219.74/203,497.80 - Step 6: Final answer
x = 147,268.02
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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.