Finding the Fourth Proportional to 275,488.21, 413,203.14 and 88,485.13
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Solution
The fourth proportional to 275,488.21, 413,203.14 and 88,485.13 is: 132,718.32
Step by Step Solution
- Step 1: Write the proportion equation
275,488.21 : 413,203.14 = 88,485.13 : x - Step 2: Convert to fraction form
275,488.21/413,203.14 = 88,485.13/x - Step 3: Cross multiply
275,488.21x = 413,203.14 × 88,485.13 - Step 4: Simplify right side
275,488.21x = 36,562,331,493.29 - Step 5: Solve for x
x = 36,562,331,493.29/275,488.21 - Step 6: Final answer
x = 132,718.32
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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.