Finding the Fourth Proportional to 203,943.90, 305,921.88 and 97,339.09
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Solution
The fourth proportional to 203,943.90, 305,921.88 and 97,339.09 is: 146,011.51
Step by Step Solution
- Step 1: Write the proportion equation
203,943.90 : 305,921.88 = 97,339.09 : x - Step 2: Convert to fraction form
203,943.90/305,921.88 = 97,339.09/x - Step 3: Cross multiply
203,943.90x = 305,921.88 × 97,339.09 - Step 4: Simplify right side
203,943.90x = 29,778,155,393.98 - Step 5: Solve for x
x = 29,778,155,393.98/203,943.90 - Step 6: Final answer
x = 146,011.51
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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.