Finding the Fourth Proportional to 355,002.98, 489,908.14 and 193,859.96
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Solution
The fourth proportional to 355,002.98, 489,908.14 and 193,859.96 is: 267,528.94
Step by Step Solution
- Step 1: Write the proportion equation
355,002.98 : 489,908.14 = 193,859.96 : x - Step 2: Convert to fraction form
355,002.98/489,908.14 = 193,859.96/x - Step 3: Cross multiply
355,002.98x = 489,908.14 × 193,859.96 - Step 4: Simplify right side
355,002.98x = 94,973,572,424.07 - Step 5: Solve for x
x = 94,973,572,424.07/355,002.98 - Step 6: Final answer
x = 267,528.94
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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.