Finding the Fourth Proportional to 485,472.35, 669,937.88 and 270,607.80
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Solution
The fourth proportional to 485,472.35, 669,937.88 and 270,607.80 is: 373,430.99
Step by Step Solution
- Step 1: Write the proportion equation
485,472.35 : 669,937.88 = 270,607.80 : x - Step 2: Convert to fraction form
485,472.35/669,937.88 = 270,607.80/x - Step 3: Cross multiply
485,472.35x = 669,937.88 × 270,607.80 - Step 4: Simplify right side
485,472.35x = 181,290,419,032.25 - Step 5: Solve for x
x = 181,290,419,032.25/485,472.35 - Step 6: Final answer
x = 373,430.99
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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.