Finding the Fourth Proportional to 236,726.85, 326,690.11 and 129,298.68
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Solution
The fourth proportional to 236,726.85, 326,690.11 and 129,298.68 is: 178,436.03
Step by Step Solution
- Step 1: Write the proportion equation
236,726.85 : 326,690.11 = 129,298.68 : x - Step 2: Convert to fraction form
236,726.85/326,690.11 = 129,298.68/x - Step 3: Cross multiply
236,726.85x = 326,690.11 × 129,298.68 - Step 4: Simplify right side
236,726.85x = 42,240,600,153.68 - Step 5: Solve for x
x = 42,240,600,153.68/236,726.85 - Step 6: Final answer
x = 178,436.03
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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.