Finding the Fourth Proportional to 178,876.40, 246,848.63 and 102,395.07
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Solution
The fourth proportional to 178,876.40, 246,848.63 and 102,395.07 is: 141,304.74
Step by Step Solution
- Step 1: Write the proportion equation
178,876.40 : 246,848.63 = 102,395.07 : x - Step 2: Convert to fraction form
178,876.40/246,848.63 = 102,395.07/x - Step 3: Cross multiply
178,876.40x = 246,848.63 × 102,395.07 - Step 4: Simplify right side
178,876.40x = 25,276,083,421.66 - Step 5: Solve for x
x = 25,276,083,421.66/178,876.40 - Step 6: Final answer
x = 141,304.74
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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.