Finding the Fourth Proportional to 163,794.08, 245,692.49 and 45,474.65
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Solution
The fourth proportional to 163,794.08, 245,692.49 and 45,474.65 is: 68,212.35
Step by Step Solution
- Step 1: Write the proportion equation
163,794.08 : 245,692.49 = 45,474.65 : x - Step 2: Convert to fraction form
163,794.08/245,692.49 = 45,474.65/x - Step 3: Cross multiply
163,794.08x = 245,692.49 × 45,474.65 - Step 4: Simplify right side
163,794.08x = 11,172,778,875.60 - Step 5: Solve for x
x = 11,172,778,875.60/163,794.08 - Step 6: Final answer
x = 68,212.35
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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.