Finding the Fourth Proportional to 236,646.02, 326,569.80 and 129,215.96
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Solution
The fourth proportional to 236,646.02, 326,569.80 and 129,215.96 is: 178,317.09
Step by Step Solution
- Step 1: Write the proportion equation
236,646.02 : 326,569.80 = 129,215.96 : x - Step 2: Convert to fraction form
236,646.02/326,569.80 = 129,215.96/x - Step 3: Cross multiply
236,646.02x = 326,569.80 × 129,215.96 - Step 4: Simplify right side
236,646.02x = 42,198,030,214.01 - Step 5: Solve for x
x = 42,198,030,214.01/236,646.02 - Step 6: Final answer
x = 178,317.09
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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.