Finding the Fourth Proportional to 389,617.70, 584,484.95 and 164,977.70
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Solution
The fourth proportional to 389,617.70, 584,484.95 and 164,977.70 is: 247,491.28
Step by Step Solution
- Step 1: Write the proportion equation
389,617.70 : 584,484.95 = 164,977.70 : x - Step 2: Convert to fraction form
389,617.70/584,484.95 = 164,977.70/x - Step 3: Cross multiply
389,617.70x = 584,484.95 × 164,977.70 - Step 4: Simplify right side
389,617.70x = 96,426,982,735.62 - Step 5: Solve for x
x = 96,426,982,735.62/389,617.70 - Step 6: Final answer
x = 247,491.28
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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.