Finding the Fourth Proportional to 203,437.60, 305,242.80 and 98,202.40
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Solution
The fourth proportional to 203,437.60, 305,242.80 and 98,202.40 is: 147,345.31
Step by Step Solution
- Step 1: Write the proportion equation
203,437.60 : 305,242.80 = 98,202.40 : x - Step 2: Convert to fraction form
203,437.60/305,242.80 = 98,202.40/x - Step 3: Cross multiply
203,437.60x = 305,242.80 × 98,202.40 - Step 4: Simplify right side
203,437.60x = 29,975,575,542.72 - Step 5: Solve for x
x = 29,975,575,542.72/203,437.60 - Step 6: Final answer
x = 147,345.31
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1.5x scale
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.