Finding the Fourth Proportional to 429,228.68, 643,846.64 and 162,917.68
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Solution
The fourth proportional to 429,228.68, 643,846.64 and 162,917.68 is: 244,377.89
Step by Step Solution
- Step 1: Write the proportion equation
429,228.68 : 643,846.64 = 162,917.68 : x - Step 2: Convert to fraction form
429,228.68/643,846.64 = 162,917.68/x - Step 3: Cross multiply
429,228.68x = 643,846.64 × 162,917.68 - Step 4: Simplify right side
429,228.68x = 104,894,000,864.60 - Step 5: Solve for x
x = 104,894,000,864.60/429,228.68 - Step 6: Final answer
x = 244,377.89
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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.