Finding the Fourth Proportional to 484,259.78, 668,097.99 and 302,902.80
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Solution
The fourth proportional to 484,259.78, 668,097.99 and 302,902.80 is: 417,892.96
Step by Step Solution
- Step 1: Write the proportion equation
484,259.78 : 668,097.99 = 302,902.80 : x - Step 2: Convert to fraction form
484,259.78/668,097.99 = 302,902.80/x - Step 3: Cross multiply
484,259.78x = 668,097.99 × 302,902.80 - Step 4: Simplify right side
484,259.78x = 202,368,751,845.37 - Step 5: Solve for x
x = 202,368,751,845.37/484,259.78 - Step 6: Final answer
x = 417,892.96
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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.