Finding the Fourth Proportional to 451,636.16, 623,212.99 and 260,711.06
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Solution
The fourth proportional to 451,636.16, 623,212.99 and 260,711.06 is: 359,755.33
Step by Step Solution
- Step 1: Write the proportion equation
451,636.16 : 623,212.99 = 260,711.06 : x - Step 2: Convert to fraction form
451,636.16/623,212.99 = 260,711.06/x - Step 3: Cross multiply
451,636.16x = 623,212.99 × 260,711.06 - Step 4: Simplify right side
451,636.16x = 162,478,515,460.83 - Step 5: Solve for x
x = 162,478,515,460.83/451,636.16 - Step 6: Final answer
x = 359,755.33
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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.