Finding the Fourth Proportional to 468,781.08, 646,917.60 and 253,920.63
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Solution
The fourth proportional to 468,781.08, 646,917.60 and 253,920.63 is: 350,410.31
Step by Step Solution
- Step 1: Write the proportion equation
468,781.08 : 646,917.60 = 253,920.63 : x - Step 2: Convert to fraction form
468,781.08/646,917.60 = 253,920.63/x - Step 3: Cross multiply
468,781.08x = 646,917.60 × 253,920.63 - Step 4: Simplify right side
468,781.08x = 164,265,724,550.09 - Step 5: Solve for x
x = 164,265,724,550.09/468,781.08 - Step 6: Final answer
x = 350,410.31
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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.