Finding the Fourth Proportional to 485,219.47, 669,593.94 and 270,354.91
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Solution
The fourth proportional to 485,219.47, 669,593.94 and 270,354.91 is: 373,084.80
Step by Step Solution
- Step 1: Write the proportion equation
485,219.47 : 669,593.94 = 270,354.91 : x - Step 2: Convert to fraction form
485,219.47/669,593.94 = 270,354.91/x - Step 3: Cross multiply
485,219.47x = 669,593.94 × 270,354.91 - Step 4: Simplify right side
485,219.47x = 181,028,009,385.25 - Step 5: Solve for x
x = 181,028,009,385.25/485,219.47 - Step 6: Final answer
x = 373,084.80
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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.