Finding the Fourth Proportional to 230,890.80, 346,368.60 and 73,102.80
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Solution
The fourth proportional to 230,890.80, 346,368.60 and 73,102.80 is: 109,664.46
Step by Step Solution
- Step 1: Write the proportion equation
230,890.80 : 346,368.60 = 73,102.80 : x - Step 2: Convert to fraction form
230,890.80/346,368.60 = 73,102.80/x - Step 3: Cross multiply
230,890.80x = 346,368.60 × 73,102.80 - Step 4: Simplify right side
230,890.80x = 25,320,514,492.08 - Step 5: Solve for x
x = 25,320,514,492.08/230,890.80 - Step 6: Final answer
x = 109,664.46
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1.5x scale
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.