Finding the Fourth Proportional to 178,837.95, 268,298.47 and 52,473.09
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Solution
The fourth proportional to 178,837.95, 268,298.47 and 52,473.09 is: 78,721.82
Step by Step Solution
- Step 1: Write the proportion equation
178,837.95 : 268,298.47 = 52,473.09 : x - Step 2: Convert to fraction form
178,837.95/268,298.47 = 52,473.09/x - Step 3: Cross multiply
178,837.95x = 268,298.47 × 52,473.09 - Step 4: Simplify right side
178,837.95x = 14,078,449,763.17 - Step 5: Solve for x
x = 14,078,449,763.17/178,837.95 - Step 6: Final answer
x = 78,721.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.