Finding the Fourth Proportional to 178,111.04, 245,815.98 and 102,660.08
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Solution
The fourth proportional to 178,111.04, 245,815.98 and 102,660.08 is: 141,684.02
Step by Step Solution
- Step 1: Write the proportion equation
178,111.04 : 245,815.98 = 102,660.08 : x - Step 2: Convert to fraction form
178,111.04/245,815.98 = 102,660.08/x - Step 3: Cross multiply
178,111.04x = 245,815.98 × 102,660.08 - Step 4: Simplify right side
178,111.04x = 25,235,488,172.08 - Step 5: Solve for x
x = 25,235,488,172.08/178,111.04 - Step 6: Final answer
x = 141,684.02
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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.