Finding the Fourth Proportional to 170,658.74, 235,507.41 and 94,178.54
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Solution
The fourth proportional to 170,658.74, 235,507.41 and 94,178.54 is: 129,965.47
Step by Step Solution
- Step 1: Write the proportion equation
170,658.74 : 235,507.41 = 94,178.54 : x - Step 2: Convert to fraction form
170,658.74/235,507.41 = 94,178.54/x - Step 3: Cross multiply
170,658.74x = 235,507.41 × 94,178.54 - Step 4: Simplify right side
170,658.74x = 22,179,742,855.44 - Step 5: Solve for x
x = 22,179,742,855.44/170,658.74 - Step 6: Final answer
x = 129,965.47
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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.