Finding the Fourth Proportional to 501,663.10, 692,097.99 and 286,687.84
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Solution
The fourth proportional to 501,663.10, 692,097.99 and 286,687.84 is: 395,516.59
Step by Step Solution
- Step 1: Write the proportion equation
501,663.10 : 692,097.99 = 286,687.84 : x - Step 2: Convert to fraction form
501,663.10/692,097.99 = 286,687.84/x - Step 3: Cross multiply
501,663.10x = 692,097.99 × 286,687.84 - Step 4: Simplify right side
501,663.10x = 198,416,077,821.44 - Step 5: Solve for x
x = 198,416,077,821.44/501,663.10 - Step 6: Final answer
x = 395,516.59
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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.