Finding the Fourth Proportional to 92,430.69, 138,663.18 and 29,266.80
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Solution
The fourth proportional to 92,430.69, 138,663.18 and 29,266.80 is: 43,905.63
Step by Step Solution
- Step 1: Write the proportion equation
92,430.69 : 138,663.18 = 29,266.80 : x - Step 2: Convert to fraction form
92,430.69/138,663.18 = 29,266.80/x - Step 3: Cross multiply
92,430.69x = 138,663.18 × 29,266.80 - Step 4: Simplify right side
92,430.69x = 4,058,227,556.42 - Step 5: Solve for x
x = 4,058,227,556.42/92,430.69 - Step 6: Final answer
x = 43,905.63
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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.