Finding the Fourth Proportional to 482,735.18, 724,108.08 and 145,778.70
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Solution
The fourth proportional to 482,735.18, 724,108.08 and 145,778.70 is: 218,669.65
Step by Step Solution
- Step 1: Write the proportion equation
482,735.18 : 724,108.08 = 145,778.70 : x - Step 2: Convert to fraction form
482,735.18/724,108.08 = 145,778.70/x - Step 3: Cross multiply
482,735.18x = 724,108.08 × 145,778.70 - Step 4: Simplify right side
482,735.18x = 105,559,534,561.90 - Step 5: Solve for x
x = 105,559,534,561.90/482,735.18 - Step 6: Final answer
x = 218,669.65
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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.