Finding the Fourth Proportional to 147,362.58, 203,384.97 and 86,948.19
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Solution
The fourth proportional to 147,362.58, 203,384.97 and 86,948.19 is: 120,003.02
Step by Step Solution
- Step 1: Write the proportion equation
147,362.58 : 203,384.97 = 86,948.19 : x - Step 2: Convert to fraction form
147,362.58/203,384.97 = 86,948.19/x - Step 3: Cross multiply
147,362.58x = 203,384.97 × 86,948.19 - Step 4: Simplify right side
147,362.58x = 17,683,955,014.70 - Step 5: Solve for x
x = 17,683,955,014.70/147,362.58 - Step 6: Final answer
x = 120,003.02
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.