Finding the Fourth Proportional to 331,660.08, 457,692.42 and 188,427.98
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Solution
The fourth proportional to 331,660.08, 457,692.42 and 188,427.98 is: 260,031.46
Step by Step Solution
- Step 1: Write the proportion equation
331,660.08 : 457,692.42 = 188,427.98 : x - Step 2: Convert to fraction form
331,660.08/457,692.42 = 188,427.98/x - Step 3: Cross multiply
331,660.08x = 457,692.42 × 188,427.98 - Step 4: Simplify right side
331,660.08x = 86,242,055,873.45 - Step 5: Solve for x
x = 86,242,055,873.45/331,660.08 - Step 6: Final answer
x = 260,031.46
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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.