Finding the Fourth Proportional to 314,692.08, 434,280.05 and 171,452.08
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Solution
The fourth proportional to 314,692.08, 434,280.05 and 171,452.08 is: 236,606.58
Step by Step Solution
- Step 1: Write the proportion equation
314,692.08 : 434,280.05 = 171,452.08 : x - Step 2: Convert to fraction form
314,692.08/434,280.05 = 171,452.08/x - Step 3: Cross multiply
314,692.08x = 434,280.05 × 171,452.08 - Step 4: Simplify right side
314,692.08x = 74,458,217,875.00 - Step 5: Solve for x
x = 74,458,217,875.00/314,692.08 - Step 6: Final answer
x = 236,606.58
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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.