Finding the Fourth Proportional to 318,534.04, 477,468.90 and 129,125.14
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Solution
The fourth proportional to 318,534.04, 477,468.90 and 129,125.14 is: 193,553.06
Step by Step Solution
- Step 1: Write the proportion equation
318,534.04 : 477,468.90 = 129,125.14 : x - Step 2: Convert to fraction form
318,534.04/477,468.90 = 129,125.14/x - Step 3: Cross multiply
318,534.04x = 477,468.90 × 129,125.14 - Step 4: Simplify right side
318,534.04x = 61,653,238,558.15 - Step 5: Solve for x
x = 61,653,238,558.15/318,534.04 - Step 6: Final answer
x = 193,553.06
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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.