Finding the Fourth Proportional to 476,035.33, 656,928.74 and 272,090.63
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Solution
The fourth proportional to 476,035.33, 656,928.74 and 272,090.63 is: 375,485.06
Step by Step Solution
- Step 1: Write the proportion equation
476,035.33 : 656,928.74 = 272,090.63 : x - Step 2: Convert to fraction form
476,035.33/656,928.74 = 272,090.63/x - Step 3: Cross multiply
476,035.33x = 656,928.74 × 272,090.63 - Step 4: Simplify right side
476,035.33x = 178,744,154,731.71 - Step 5: Solve for x
x = 178,744,154,731.71/476,035.33 - Step 6: Final answer
x = 375,485.06
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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.