Finding the Fourth Proportional to 203,070.24, 304,258.68 and 143,807.40
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Solution
The fourth proportional to 203,070.24, 304,258.68 and 143,807.40 is: 215,465.59
Step by Step Solution
- Step 1: Write the proportion equation
203,070.24 : 304,258.68 = 143,807.40 : x - Step 2: Convert to fraction form
203,070.24/304,258.68 = 143,807.40/x - Step 3: Cross multiply
203,070.24x = 304,258.68 × 143,807.40 - Step 4: Simplify right side
203,070.24x = 43,754,649,698.23 - Step 5: Solve for x
x = 43,754,649,698.23/203,070.24 - Step 6: Final answer
x = 215,465.59
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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.