Finding the Fourth Proportional to 303,547.62, 455,242.06 and 90,258.09
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Solution
The fourth proportional to 303,547.62, 455,242.06 and 90,258.09 is: 135,363.54
Step by Step Solution
- Step 1: Write the proportion equation
303,547.62 : 455,242.06 = 90,258.09 : x - Step 2: Convert to fraction form
303,547.62/455,242.06 = 90,258.09/x - Step 3: Cross multiply
303,547.62x = 455,242.06 × 90,258.09 - Step 4: Simplify right side
303,547.62x = 41,089,278,597.62 - Step 5: Solve for x
x = 41,089,278,597.62/303,547.62 - Step 6: Final answer
x = 135,363.54
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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.