Finding the Fourth Proportional to 84,760.48, 127,140.70 and 22,430.98
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Solution
The fourth proportional to 84,760.48, 127,140.70 and 22,430.98 is: 33,646.46
Step by Step Solution
- Step 1: Write the proportion equation
84,760.48 : 127,140.70 = 22,430.98 : x - Step 2: Convert to fraction form
84,760.48/127,140.70 = 22,430.98/x - Step 3: Cross multiply
84,760.48x = 127,140.70 × 22,430.98 - Step 4: Simplify right side
84,760.48x = 2,851,890,498.89 - Step 5: Solve for x
x = 2,851,890,498.89/84,760.48 - Step 6: Final answer
x = 33,646.46
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1.5x scale
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.