Finding the Fourth Proportional to 343,074.66, 473,445.84 and 190,115.41
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Solution
The fourth proportional to 343,074.66, 473,445.84 and 190,115.41 is: 262,360.82
Step by Step Solution
- Step 1: Write the proportion equation
343,074.66 : 473,445.84 = 190,115.41 : x - Step 2: Convert to fraction form
343,074.66/473,445.84 = 190,115.41/x - Step 3: Cross multiply
343,074.66x = 473,445.84 × 190,115.41 - Step 4: Simplify right side
343,074.66x = 90,009,349,599.37 - Step 5: Solve for x
x = 90,009,349,599.37/343,074.66 - Step 6: Final answer
x = 262,360.82
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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.