Finding the Fourth Proportional to 299,202.38, 448,802.35 and 121,707.90
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Solution
The fourth proportional to 299,202.38, 448,802.35 and 121,707.90 is: 182,561.35
Step by Step Solution
- Step 1: Write the proportion equation
299,202.38 : 448,802.35 = 121,707.90 : x - Step 2: Convert to fraction form
299,202.38/448,802.35 = 121,707.90/x - Step 3: Cross multiply
299,202.38x = 448,802.35 × 121,707.90 - Step 4: Simplify right side
299,202.38x = 54,622,791,533.57 - Step 5: Solve for x
x = 54,622,791,533.57/299,202.38 - Step 6: Final answer
x = 182,561.35
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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.