Finding the Fourth Proportional to 178,921.30, 246,911.95 and 98,357.08
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Solution
The fourth proportional to 178,921.30, 246,911.95 and 98,357.08 is: 135,733.07
Step by Step Solution
- Step 1: Write the proportion equation
178,921.30 : 246,911.95 = 98,357.08 : x - Step 2: Convert to fraction form
178,921.30/246,911.95 = 98,357.08/x - Step 3: Cross multiply
178,921.30x = 246,911.95 × 98,357.08 - Step 4: Simplify right side
178,921.30x = 24,285,537,927.32 - Step 5: Solve for x
x = 24,285,537,927.32/178,921.30 - Step 6: Final answer
x = 135,733.07
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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.