Finding the Fourth Proportional to 315,935.80, 473,903.70 and 276,569.80
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Solution
The fourth proportional to 315,935.80, 473,903.70 and 276,569.80 is: 414,854.70
Step by Step Solution
- Step 1: Write the proportion equation
315,935.80 : 473,903.70 = 276,569.80 : x - Step 2: Convert to fraction form
315,935.80/473,903.70 = 276,569.80/x - Step 3: Cross multiply
315,935.80x = 473,903.70 × 276,569.80 - Step 4: Simplify right side
315,935.80x = 131,067,451,528.26 - Step 5: Solve for x
x = 131,067,451,528.26/315,935.80 - Step 6: Final answer
x = 414,854.70
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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.