Finding the Fourth Proportional to 409,564.99, 565,202.33 and 228,288.43
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Solution
The fourth proportional to 409,564.99, 565,202.33 and 228,288.43 is: 315,039.51
Step by Step Solution
- Step 1: Write the proportion equation
409,564.99 : 565,202.33 = 228,288.43 : x - Step 2: Convert to fraction form
409,564.99/565,202.33 = 228,288.43/x - Step 3: Cross multiply
409,564.99x = 565,202.33 × 228,288.43 - Step 4: Simplify right side
409,564.99x = 129,029,152,548.04 - Step 5: Solve for x
x = 129,029,152,548.04/409,564.99 - Step 6: Final answer
x = 315,039.51
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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.