Finding the Fourth Proportional to 234,726.16, 323,913.36 and 139,175.68
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Solution
The fourth proportional to 234,726.16, 323,913.36 and 139,175.68 is: 192,057.26
Step by Step Solution
- Step 1: Write the proportion equation
234,726.16 : 323,913.36 = 139,175.68 : x - Step 2: Convert to fraction form
234,726.16/323,913.36 = 139,175.68/x - Step 3: Cross multiply
234,726.16x = 323,913.36 × 139,175.68 - Step 4: Simplify right side
234,726.16x = 45,080,862,139.08 - Step 5: Solve for x
x = 45,080,862,139.08/234,726.16 - Step 6: Final answer
x = 192,057.26
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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.