Finding the Fourth Proportional to 236,602.08, 326,511.36 and 129,172.14
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Solution
The fourth proportional to 236,602.08, 326,511.36 and 129,172.14 is: 178,257.82
Step by Step Solution
- Step 1: Write the proportion equation
236,602.08 : 326,511.36 = 129,172.14 : x - Step 2: Convert to fraction form
236,602.08/326,511.36 = 129,172.14/x - Step 3: Cross multiply
236,602.08x = 326,511.36 × 129,172.14 - Step 4: Simplify right side
236,602.08x = 42,176,171,105.51 - Step 5: Solve for x
x = 42,176,171,105.51/236,602.08 - Step 6: Final answer
x = 178,257.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.