Finding the Fourth Proportional to 368,124.70, 515,724.50 and 368,124.70
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Solution
The fourth proportional to 368,124.70, 515,724.50 and 368,124.70 is: 515,724.50
Step by Step Solution
- Step 1: Write the proportion equation
368,124.70 : 515,724.50 = 368,124.70 : x - Step 2: Convert to fraction form
368,124.70/515,724.50 = 368,124.70/x - Step 3: Cross multiply
368,124.70x = 515,724.50 × 368,124.70 - Step 4: Simplify right side
368,124.70x = 189,850,926,845.15 - Step 5: Solve for x
x = 189,850,926,845.15/368,124.70 - Step 6: Final answer
x = 515,724.50
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.