Finding the Fourth Proportional to 143,730.06, 215,604.84 and 48,921.18
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Solution
The fourth proportional to 143,730.06, 215,604.84 and 48,921.18 is: 73,385.09
Step by Step Solution
- Step 1: Write the proportion equation
143,730.06 : 215,604.84 = 48,921.18 : x - Step 2: Convert to fraction form
143,730.06/215,604.84 = 48,921.18/x - Step 3: Cross multiply
143,730.06x = 215,604.84 × 48,921.18 - Step 4: Simplify right side
143,730.06x = 10,547,643,186.51 - Step 5: Solve for x
x = 10,547,643,186.51/143,730.06 - Step 6: Final answer
x = 73,385.09
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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.