Finding the Fourth Proportional to 170,420.24, 235,305.12 and 110,026.16
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Solution
The fourth proportional to 170,420.24, 235,305.12 and 110,026.16 is: 151,916.92
Step by Step Solution
- Step 1: Write the proportion equation
170,420.24 : 235,305.12 = 110,026.16 : x - Step 2: Convert to fraction form
170,420.24/235,305.12 = 110,026.16/x - Step 3: Cross multiply
170,420.24x = 235,305.12 × 110,026.16 - Step 4: Simplify right side
170,420.24x = 25,889,718,781.94 - Step 5: Solve for x
x = 25,889,718,781.94/170,420.24 - Step 6: Final answer
x = 151,916.92
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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.