Finding the Fourth Proportional to 256,800.27, 385,282.42 and 123,693.99
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Solution
The fourth proportional to 256,800.27, 385,282.42 and 123,693.99 is: 185,580.48
Step by Step Solution
- Step 1: Write the proportion equation
256,800.27 : 385,282.42 = 123,693.99 : x - Step 2: Convert to fraction form
256,800.27/385,282.42 = 123,693.99/x - Step 3: Cross multiply
256,800.27x = 385,282.42 × 123,693.99 - Step 4: Simplify right side
256,800.27x = 47,657,118,748.39 - Step 5: Solve for x
x = 47,657,118,748.39/256,800.27 - Step 6: Final answer
x = 185,580.48
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.