Finding the Fourth Proportional to 203,143.40, 304,763.70 and 97,875.80
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Solution
The fourth proportional to 203,143.40, 304,763.70 and 97,875.80 is: 146,837.12
Step by Step Solution
- Step 1: Write the proportion equation
203,143.40 : 304,763.70 = 97,875.80 : x - Step 2: Convert to fraction form
203,143.40/304,763.70 = 97,875.80/x - Step 3: Cross multiply
203,143.40x = 304,763.70 × 97,875.80 - Step 4: Simplify right side
203,143.40x = 29,828,990,948.46 - Step 5: Solve for x
x = 29,828,990,948.46/203,143.40 - Step 6: Final answer
x = 146,837.12
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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.