Finding the Fourth Proportional to 214,983.36, 322,336.80 and 102,602.88
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Solution
The fourth proportional to 214,983.36, 322,336.80 and 102,602.88 is: 153,838.34
Step by Step Solution
- Step 1: Write the proportion equation
214,983.36 : 322,336.80 = 102,602.88 : x - Step 2: Convert to fraction form
214,983.36/322,336.80 = 102,602.88/x - Step 3: Cross multiply
214,983.36x = 322,336.80 × 102,602.88 - Step 4: Simplify right side
214,983.36x = 33,072,684,009.98 - Step 5: Solve for x
x = 33,072,684,009.98/214,983.36 - Step 6: Final answer
x = 153,838.34
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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.