Finding the Fourth Proportional to 92,430.19, 138,662.43 and 29,266.26
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Solution
The fourth proportional to 92,430.19, 138,662.43 and 29,266.26 is: 43,904.82
Step by Step Solution
- Step 1: Write the proportion equation
92,430.19 : 138,662.43 = 29,266.26 : x - Step 2: Convert to fraction form
92,430.19/138,662.43 = 29,266.26/x - Step 3: Cross multiply
92,430.19x = 138,662.43 × 29,266.26 - Step 4: Simplify right side
92,430.19x = 4,058,130,728.61 - Step 5: Solve for x
x = 4,058,130,728.61/92,430.19 - Step 6: Final answer
x = 43,904.82
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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.