Finding the Fourth Proportional to 305,572.09, 421,683.13 and 169,598.06
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Solution
The fourth proportional to 305,572.09, 421,683.13 and 169,598.06 is: 234,041.80
Step by Step Solution
- Step 1: Write the proportion equation
305,572.09 : 421,683.13 = 169,598.06 : x - Step 2: Convert to fraction form
305,572.09/421,683.13 = 169,598.06/x - Step 3: Cross multiply
305,572.09x = 421,683.13 × 169,598.06 - Step 4: Simplify right side
305,572.09x = 71,516,640,782.73 - Step 5: Solve for x
x = 71,516,640,782.73/305,572.09 - Step 6: Final answer
x = 234,041.80
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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.