Finding the Fourth Proportional to 236,875.42, 326,892.36 and 129,449.98
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Solution
The fourth proportional to 236,875.42, 326,892.36 and 129,449.98 is: 178,643.31
Step by Step Solution
- Step 1: Write the proportion equation
236,875.42 : 326,892.36 = 129,449.98 : x - Step 2: Convert to fraction form
236,875.42/326,892.36 = 129,449.98/x - Step 3: Cross multiply
236,875.42x = 326,892.36 × 129,449.98 - Step 4: Simplify right side
236,875.42x = 42,316,209,464.15 - Step 5: Solve for x
x = 42,316,209,464.15/236,875.42 - Step 6: Final answer
x = 178,643.31
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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.