Finding the Fourth Proportional to 445,636.25, 615,056.65 and 264,448.09
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Solution
The fourth proportional to 445,636.25, 615,056.65 and 264,448.09 is: 364,985.01
Step by Step Solution
- Step 1: Write the proportion equation
445,636.25 : 615,056.65 = 264,448.09 : x - Step 2: Convert to fraction form
445,636.25/615,056.65 = 264,448.09/x - Step 3: Cross multiply
445,636.25x = 615,056.65 × 264,448.09 - Step 4: Simplify right side
445,636.25x = 162,650,554,135.54 - Step 5: Solve for x
x = 162,650,554,135.54/445,636.25 - Step 6: Final answer
x = 364,985.01
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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.