Finding the Fourth Proportional to 485,309.73, 669,718.35 and 270,445.08
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Solution
The fourth proportional to 485,309.73, 669,718.35 and 270,445.08 is: 373,209.15
Step by Step Solution
- Step 1: Write the proportion equation
485,309.73 : 669,718.35 = 270,445.08 : x - Step 2: Convert to fraction form
485,309.73/669,718.35 = 270,445.08/x - Step 3: Cross multiply
485,309.73x = 669,718.35 × 270,445.08 - Step 4: Simplify right side
485,309.73x = 181,122,032,743.22 - Step 5: Solve for x
x = 181,122,032,743.22/485,309.73 - Step 6: Final answer
x = 373,209.15
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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.