Finding the Fourth Proportional to 236,887.04, 326,901.36 and 129,456.72
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Solution
The fourth proportional to 236,887.04, 326,901.36 and 129,456.72 is: 178,648.77
Step by Step Solution
- Step 1: Write the proportion equation
236,887.04 : 326,901.36 = 129,456.72 : x - Step 2: Convert to fraction form
236,887.04/326,901.36 = 129,456.72/x - Step 3: Cross multiply
236,887.04x = 326,901.36 × 129,456.72 - Step 4: Simplify right side
236,887.04x = 42,319,577,829.14 - Step 5: Solve for x
x = 42,319,577,829.14/236,887.04 - Step 6: Final answer
x = 178,648.77
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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.