Finding the Fourth Proportional to 343,074.77, 473,445.97 and 190,115.53
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Solution
The fourth proportional to 343,074.77, 473,445.97 and 190,115.53 is: 262,360.98
Step by Step Solution
- Step 1: Write the proportion equation
343,074.77 : 473,445.97 = 190,115.53 : x - Step 2: Convert to fraction form
343,074.77/473,445.97 = 190,115.53/x - Step 3: Cross multiply
343,074.77x = 473,445.97 × 190,115.53 - Step 4: Simplify right side
343,074.77x = 90,009,430,562.34 - Step 5: Solve for x
x = 90,009,430,562.34/343,074.77 - Step 6: Final answer
x = 262,360.98
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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.