Finding the Fourth Proportional to 355,033.94, 489,950.17 and 202,064.63
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Solution
The fourth proportional to 355,033.94, 489,950.17 and 202,064.63 is: 278,851.08
Step by Step Solution
- Step 1: Write the proportion equation
355,033.94 : 489,950.17 = 202,064.63 : x - Step 2: Convert to fraction form
355,033.94/489,950.17 = 202,064.63/x - Step 3: Cross multiply
355,033.94x = 489,950.17 × 202,064.63 - Step 4: Simplify right side
355,033.94x = 99,001,596,864.57 - Step 5: Solve for x
x = 99,001,596,864.57/355,033.94 - Step 6: Final answer
x = 278,851.08
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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.