Finding the Fourth Proportional to 114,418.70, 157,883.18 and 63,430.95
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Solution
The fourth proportional to 114,418.70, 157,883.18 and 63,430.95 is: 87,526.60
Step by Step Solution
- Step 1: Write the proportion equation
114,418.70 : 157,883.18 = 63,430.95 : x - Step 2: Convert to fraction form
114,418.70/157,883.18 = 63,430.95/x - Step 3: Cross multiply
114,418.70x = 157,883.18 × 63,430.95 - Step 4: Simplify right side
114,418.70x = 10,014,679,779.27 - Step 5: Solve for x
x = 10,014,679,779.27/114,418.70 - Step 6: Final answer
x = 87,526.60
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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.