Finding the Fourth Proportional to 230,923.80, 346,418.10 and 73,135.80
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Solution
The fourth proportional to 230,923.80, 346,418.10 and 73,135.80 is: 109,713.96
Step by Step Solution
- Step 1: Write the proportion equation
230,923.80 : 346,418.10 = 73,135.80 : x - Step 2: Convert to fraction form
230,923.80/346,418.10 = 73,135.80/x - Step 3: Cross multiply
230,923.80x = 346,418.10 × 73,135.80 - Step 4: Simplify right side
230,923.80x = 25,335,564,877.98 - Step 5: Solve for x
x = 25,335,564,877.98/230,923.80 - Step 6: Final answer
x = 109,713.96
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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.