Finding the Fourth Proportional to 236,822.98, 326,811.89 and 129,390.71
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Solution
The fourth proportional to 236,822.98, 326,811.89 and 129,390.71 is: 178,557.09
Step by Step Solution
- Step 1: Write the proportion equation
236,822.98 : 326,811.89 = 129,390.71 : x - Step 2: Convert to fraction form
236,822.98/326,811.89 = 129,390.71/x - Step 3: Cross multiply
236,822.98x = 326,811.89 × 129,390.71 - Step 4: Simplify right side
236,822.98x = 42,286,420,849.48 - Step 5: Solve for x
x = 42,286,420,849.48/236,822.98 - Step 6: Final answer
x = 178,557.09
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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.