Finding the Fourth Proportional to 117,801.87, 176,598.23 and 42,908.05
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Solution
The fourth proportional to 117,801.87, 176,598.23 and 42,908.05 is: 64,323.99
Step by Step Solution
- Step 1: Write the proportion equation
117,801.87 : 176,598.23 = 42,908.05 : x - Step 2: Convert to fraction form
117,801.87/176,598.23 = 42,908.05/x - Step 3: Cross multiply
117,801.87x = 176,598.23 × 42,908.05 - Step 4: Simplify right side
117,801.87x = 7,577,485,688.96 - Step 5: Solve for x
x = 7,577,485,688.96/117,801.87 - Step 6: Final answer
x = 64,323.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.