Finding the Fourth Proportional to 461,263.09, 636,528.63 and 270,403.60
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Solution
The fourth proportional to 461,263.09, 636,528.63 and 270,403.60 is: 373,148.51
Step by Step Solution
- Step 1: Write the proportion equation
461,263.09 : 636,528.63 = 270,403.60 : x - Step 2: Convert to fraction form
461,263.09/636,528.63 = 270,403.60/x - Step 3: Cross multiply
461,263.09x = 636,528.63 × 270,403.60 - Step 4: Simplify right side
461,263.09x = 172,119,633,055.07 - Step 5: Solve for x
x = 172,119,633,055.07/461,263.09 - Step 6: Final answer
x = 373,148.51
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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.