Finding the Fourth Proportional to 286,677.80, 395,580.99 and 157,594.99
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Solution
The fourth proportional to 286,677.80, 395,580.99 and 157,594.99 is: 217,462.19
Step by Step Solution
- Step 1: Write the proportion equation
286,677.80 : 395,580.99 = 157,594.99 : x - Step 2: Convert to fraction form
286,677.80/395,580.99 = 157,594.99/x - Step 3: Cross multiply
286,677.80x = 395,580.99 × 157,594.99 - Step 4: Simplify right side
286,677.80x = 62,341,581,375.27 - Step 5: Solve for x
x = 62,341,581,375.27/286,677.80 - Step 6: Final answer
x = 217,462.19
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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.