Finding the Fourth Proportional to 478,524.12, 660,490.62 and 282,462.99
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Solution
The fourth proportional to 478,524.12, 660,490.62 and 282,462.99 is: 389,874.09
Step by Step Solution
- Step 1: Write the proportion equation
478,524.12 : 660,490.62 = 282,462.99 : x - Step 2: Convert to fraction form
478,524.12/660,490.62 = 282,462.99/x - Step 3: Cross multiply
478,524.12x = 660,490.62 × 282,462.99 - Step 4: Simplify right side
478,524.12x = 186,564,155,392.15 - Step 5: Solve for x
x = 186,564,155,392.15/478,524.12 - Step 6: Final answer
x = 389,874.09
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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.