Finding the Fourth Proportional to 205,177.92, 307,864.08 and 142,095.12
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Solution
The fourth proportional to 205,177.92, 307,864.08 and 142,095.12 is: 213,210.00
Step by Step Solution
- Step 1: Write the proportion equation
205,177.92 : 307,864.08 = 142,095.12 : x - Step 2: Convert to fraction form
205,177.92/307,864.08 = 142,095.12/x - Step 3: Cross multiply
205,177.92x = 307,864.08 × 142,095.12 - Step 4: Simplify right side
205,177.92x = 43,745,983,391.29 - Step 5: Solve for x
x = 43,745,983,391.29/205,177.92 - Step 6: Final answer
x = 213,210.00
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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.