Finding the Fourth Proportional to 236,944.62, 326,983.58 and 129,515.07
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Solution
The fourth proportional to 236,944.62, 326,983.58 and 129,515.07 is: 178,730.80
Step by Step Solution
- Step 1: Write the proportion equation
236,944.62 : 326,983.58 = 129,515.07 : x - Step 2: Convert to fraction form
236,944.62/326,983.58 = 129,515.07/x - Step 3: Cross multiply
236,944.62x = 326,983.58 × 129,515.07 - Step 4: Simplify right side
236,944.62x = 42,349,301,252.55 - Step 5: Solve for x
x = 42,349,301,252.55/236,944.62 - Step 6: Final answer
x = 178,730.80
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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.