Finding the Fourth Proportional to 352,309.48, 486,154.98 and 209,044.84
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Solution
The fourth proportional to 352,309.48, 486,154.98 and 209,044.84 is: 288,462.83
Step by Step Solution
- Step 1: Write the proportion equation
352,309.48 : 486,154.98 = 209,044.84 : x - Step 2: Convert to fraction form
352,309.48/486,154.98 = 209,044.84/x - Step 3: Cross multiply
352,309.48x = 486,154.98 × 209,044.84 - Step 4: Simplify right side
352,309.48x = 101,628,190,009.30 - Step 5: Solve for x
x = 101,628,190,009.30/352,309.48 - Step 6: Final answer
x = 288,462.83
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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.