Finding the Fourth Proportional to 389,596.14, 537,551.36 and 236,630.07
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Solution
The fourth proportional to 389,596.14, 537,551.36 and 236,630.07 is: 326,494.04
Step by Step Solution
- Step 1: Write the proportion equation
389,596.14 : 537,551.36 = 236,630.07 : x - Step 2: Convert to fraction form
389,596.14/537,551.36 = 236,630.07/x - Step 3: Cross multiply
389,596.14x = 537,551.36 × 236,630.07 - Step 4: Simplify right side
389,596.14x = 127,200,815,945.40 - Step 5: Solve for x
x = 127,200,815,945.40/389,596.14 - Step 6: Final answer
x = 326,494.04
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1.5x scale
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.