Finding the Fourth Proportional to 402,484.80, 603,208.80 and 308,524.80
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Solution
The fourth proportional to 402,484.80, 603,208.80 and 308,524.80 is: 462,389.82
Step by Step Solution
- Step 1: Write the proportion equation
402,484.80 : 603,208.80 = 308,524.80 : x - Step 2: Convert to fraction form
402,484.80/603,208.80 = 308,524.80/x - Step 3: Cross multiply
402,484.80x = 603,208.80 × 308,524.80 - Step 4: Simplify right side
402,484.80x = 186,104,874,378.24 - Step 5: Solve for x
x = 186,104,874,378.24/402,484.80 - Step 6: Final answer
x = 462,389.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.