Finding the Fourth Proportional to 485,668.48, 728,446.68 and 130,654.60
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Solution
The fourth proportional to 485,668.48, 728,446.68 and 130,654.60 is: 195,966.82
Step by Step Solution
- Step 1: Write the proportion equation
485,668.48 : 728,446.68 = 130,654.60 : x - Step 2: Convert to fraction form
485,668.48/728,446.68 = 130,654.60/x - Step 3: Cross multiply
485,668.48x = 728,446.68 × 130,654.60 - Step 4: Simplify right side
485,668.48x = 95,174,909,596.73 - Step 5: Solve for x
x = 95,174,909,596.73/485,668.48 - Step 6: Final answer
x = 195,966.82
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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.