Finding the Fourth Proportional to 409,927.70, 565,700.99 and 228,651.38
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Solution
The fourth proportional to 409,927.70, 565,700.99 and 228,651.38 is: 315,539.33
Step by Step Solution
- Step 1: Write the proportion equation
409,927.70 : 565,700.99 = 228,651.38 : x - Step 2: Convert to fraction form
409,927.70/565,700.99 = 228,651.38/x - Step 3: Cross multiply
409,927.70x = 565,700.99 × 228,651.38 - Step 4: Simplify right side
409,927.70x = 129,348,312,030.87 - Step 5: Solve for x
x = 129,348,312,030.87/409,927.70 - Step 6: Final answer
x = 315,539.33
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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.