Finding the Fourth Proportional to 306,538.29, 423,022.80 and 170,580.99
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Solution
The fourth proportional to 306,538.29, 423,022.80 and 170,580.99 is: 235,401.74
Step by Step Solution
- Step 1: Write the proportion equation
306,538.29 : 423,022.80 = 170,580.99 : x - Step 2: Convert to fraction form
306,538.29/423,022.80 = 170,580.99/x - Step 3: Cross multiply
306,538.29x = 423,022.80 × 170,580.99 - Step 4: Simplify right side
306,538.29x = 72,159,648,016.57 - Step 5: Solve for x
x = 72,159,648,016.57/306,538.29 - Step 6: Final answer
x = 235,401.74
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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.