Finding the Fourth Proportional to 155,475.05, 214,547.67 and 91,800.54
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Solution
The fourth proportional to 155,475.05, 214,547.67 and 91,800.54 is: 126,680.09
Step by Step Solution
- Step 1: Write the proportion equation
155,475.05 : 214,547.67 = 91,800.54 : x - Step 2: Convert to fraction form
155,475.05/214,547.67 = 91,800.54/x - Step 3: Cross multiply
155,475.05x = 214,547.67 × 91,800.54 - Step 4: Simplify right side
155,475.05x = 19,695,591,961.74 - Step 5: Solve for x
x = 19,695,591,961.74/155,475.05 - Step 6: Final answer
x = 126,680.09
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.