Finding the Fourth Proportional to 485,972.70, 728,875.97 and 130,903.68
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Solution
The fourth proportional to 485,972.70, 728,875.97 and 130,903.68 is: 196,333.15
Step by Step Solution
- Step 1: Write the proportion equation
485,972.70 : 728,875.97 = 130,903.68 : x - Step 2: Convert to fraction form
485,972.70/728,875.97 = 130,903.68/x - Step 3: Cross multiply
485,972.70x = 728,875.97 × 130,903.68 - Step 4: Simplify right side
485,972.70x = 95,412,549,797.11 - Step 5: Solve for x
x = 95,412,549,797.11/485,972.70 - Step 6: Final answer
x = 196,333.15
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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.