Finding the Fourth Proportional to 321,695.64, 482,546.95 and 97,058.09
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Solution
The fourth proportional to 321,695.64, 482,546.95 and 97,058.09 is: 145,588.18
Step by Step Solution
- Step 1: Write the proportion equation
321,695.64 : 482,546.95 = 97,058.09 : x - Step 2: Convert to fraction form
321,695.64/482,546.95 = 97,058.09/x - Step 3: Cross multiply
321,695.64x = 482,546.95 × 97,058.09 - Step 4: Simplify right side
321,695.64x = 46,835,082,889.59 - Step 5: Solve for x
x = 46,835,082,889.59/321,695.64 - Step 6: Final answer
x = 145,588.18
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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.