Finding the Fourth Proportional to 476,659.29, 657,515.19 and 285,561.99
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Solution
The fourth proportional to 476,659.29, 657,515.19 and 285,561.99 is: 393,911.02
Step by Step Solution
- Step 1: Write the proportion equation
476,659.29 : 657,515.19 = 285,561.99 : x - Step 2: Convert to fraction form
476,659.29/657,515.19 = 285,561.99/x - Step 3: Cross multiply
476,659.29x = 657,515.19 × 285,561.99 - Step 4: Simplify right side
476,659.29x = 187,761,346,111.63 - Step 5: Solve for x
x = 187,761,346,111.63/476,659.29 - Step 6: Final answer
x = 393,911.02
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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.