Finding the Fourth Proportional to 343,421.75, 473,922.02 and 192,518.75
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Solution
The fourth proportional to 343,421.75, 473,922.02 and 192,518.75 is: 265,675.88
Step by Step Solution
- Step 1: Write the proportion equation
343,421.75 : 473,922.02 = 192,518.75 : x - Step 2: Convert to fraction form
343,421.75/473,922.02 = 192,518.75/x - Step 3: Cross multiply
343,421.75x = 473,922.02 × 192,518.75 - Step 4: Simplify right side
343,421.75x = 91,238,874,887.88 - Step 5: Solve for x
x = 91,238,874,887.88/343,421.75 - Step 6: Final answer
x = 265,675.88
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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.