Finding the Fourth Proportional to 178,838.73, 246,726.54 and 115,213.50
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Solution
The fourth proportional to 178,838.73, 246,726.54 and 115,213.50 is: 158,948.95
Step by Step Solution
- Step 1: Write the proportion equation
178,838.73 : 246,726.54 = 115,213.50 : x - Step 2: Convert to fraction form
178,838.73/246,726.54 = 115,213.50/x - Step 3: Cross multiply
178,838.73x = 246,726.54 × 115,213.50 - Step 4: Simplify right side
178,838.73x = 28,426,228,216.29 - Step 5: Solve for x
x = 28,426,228,216.29/178,838.73 - Step 6: Final answer
x = 158,948.95
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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.