Finding the Fourth Proportional to 113,949.06, 157,219.29 and 63,646.98
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Solution
The fourth proportional to 113,949.06, 157,219.29 and 63,646.98 is: 87,815.85
Step by Step Solution
- Step 1: Write the proportion equation
113,949.06 : 157,219.29 = 63,646.98 : x - Step 2: Convert to fraction form
113,949.06/157,219.29 = 63,646.98/x - Step 3: Cross multiply
113,949.06x = 157,219.29 × 63,646.98 - Step 4: Simplify right side
113,949.06x = 10,006,533,006.24 - Step 5: Solve for x
x = 10,006,533,006.24/113,949.06 - Step 6: Final answer
x = 87,815.85
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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.