Finding the Fourth Proportional to 479,129.58, 718,832.88 and 142,177.68
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Solution
The fourth proportional to 479,129.58, 718,832.88 and 142,177.68 is: 213,307.62
Step by Step Solution
- Step 1: Write the proportion equation
479,129.58 : 718,832.88 = 142,177.68 : x - Step 2: Convert to fraction form
479,129.58/718,832.88 = 142,177.68/x - Step 3: Cross multiply
479,129.58x = 718,832.88 × 142,177.68 - Step 4: Simplify right side
479,129.58x = 102,201,991,186.12 - Step 5: Solve for x
x = 102,201,991,186.12/479,129.58 - Step 6: Final answer
x = 213,307.62
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.