Finding the Fourth Proportional to 236,434.40, 354,363.60 and 103,032.80
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Solution
The fourth proportional to 236,434.40, 354,363.60 and 103,032.80 is: 154,423.70
Step by Step Solution
- Step 1: Write the proportion equation
236,434.40 : 354,363.60 = 103,032.80 : x - Step 2: Convert to fraction form
236,434.40/354,363.60 = 103,032.80/x - Step 3: Cross multiply
236,434.40x = 354,363.60 × 103,032.80 - Step 4: Simplify right side
236,434.40x = 36,511,073,926.08 - Step 5: Solve for x
x = 36,511,073,926.08/236,434.40 - Step 6: Final answer
x = 154,423.70
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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.