Finding the Fourth Proportional to 540,252.99, 810,125.15 and 315,678.26
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Solution
The fourth proportional to 540,252.99, 810,125.15 and 315,678.26 is: 473,368.78
Step by Step Solution
- Step 1: Write the proportion equation
540,252.99 : 810,125.15 = 315,678.26 : x - Step 2: Convert to fraction form
540,252.99/810,125.15 = 315,678.26/x - Step 3: Cross multiply
540,252.99x = 810,125.15 × 315,678.26 - Step 4: Simplify right side
540,252.99x = 255,738,898,181.16 - Step 5: Solve for x
x = 255,738,898,181.16/540,252.99 - Step 6: Final answer
x = 473,368.78
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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.