Finding the Fourth Proportional to 451,645.72, 623,226.18 and 260,720.62
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Solution
The fourth proportional to 451,645.72, 623,226.18 and 260,720.62 is: 359,768.53
Step by Step Solution
- Step 1: Write the proportion equation
451,645.72 : 623,226.18 = 260,720.62 : x - Step 2: Convert to fraction form
451,645.72/623,226.18 = 260,720.62/x - Step 3: Cross multiply
451,645.72x = 623,226.18 × 260,720.62 - Step 4: Simplify right side
451,645.72x = 162,487,916,049.83 - Step 5: Solve for x
x = 162,487,916,049.83/451,645.72 - Step 6: Final answer
x = 359,768.53
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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.