Finding the Fourth Proportional to 343,389.24, 473,877.12 and 190,450.76
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Solution
The fourth proportional to 343,389.24, 473,877.12 and 190,450.76 is: 262,822.03
Step by Step Solution
- Step 1: Write the proportion equation
343,389.24 : 473,877.12 = 190,450.76 : x - Step 2: Convert to fraction form
343,389.24/473,877.12 = 190,450.76/x - Step 3: Cross multiply
343,389.24x = 473,877.12 × 190,450.76 - Step 4: Simplify right side
343,389.24x = 90,250,257,650.61 - Step 5: Solve for x
x = 90,250,257,650.61/343,389.24 - Step 6: Final answer
x = 262,822.03
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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.