Finding the Fourth Proportional to 275,555.67, 380,253.87 and 153,055.99
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Solution
The fourth proportional to 275,555.67, 380,253.87 and 153,055.99 is: 211,210.08
Step by Step Solution
- Step 1: Write the proportion equation
275,555.67 : 380,253.87 = 153,055.99 : x - Step 2: Convert to fraction form
275,555.67/380,253.87 = 153,055.99/x - Step 3: Cross multiply
275,555.67x = 380,253.87 × 153,055.99 - Step 4: Simplify right side
275,555.67x = 58,200,132,999.50 - Step 5: Solve for x
x = 58,200,132,999.50/275,555.67 - Step 6: Final answer
x = 211,210.08
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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.