Finding the Fourth Proportional to 501,246.23, 691,756.45 and 286,381.68
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Solution
The fourth proportional to 501,246.23, 691,756.45 and 286,381.68 is: 395,227.66
Step by Step Solution
- Step 1: Write the proportion equation
501,246.23 : 691,756.45 = 286,381.68 : x - Step 2: Convert to fraction form
501,246.23/691,756.45 = 286,381.68/x - Step 3: Cross multiply
501,246.23x = 691,756.45 × 286,381.68 - Step 4: Simplify right side
501,246.23x = 198,106,372,602.69 - Step 5: Solve for x
x = 198,106,372,602.69/501,246.23 - Step 6: Final answer
x = 395,227.66
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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.