Finding the Fourth Proportional to 340,092.40, 510,122.40 and 115,430.80
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Solution
The fourth proportional to 340,092.40, 510,122.40 and 115,430.80 is: 173,140.70
Step by Step Solution
- Step 1: Write the proportion equation
340,092.40 : 510,122.40 = 115,430.80 : x - Step 2: Convert to fraction form
340,092.40/510,122.40 = 115,430.80/x - Step 3: Cross multiply
340,092.40x = 510,122.40 × 115,430.80 - Step 4: Simplify right side
340,092.40x = 58,883,836,729.92 - Step 5: Solve for x
x = 58,883,836,729.92/340,092.40 - Step 6: Final answer
x = 173,140.70
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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.