Finding the Fourth Proportional to 470,982.19, 706,374.36 and 155,365.15
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Solution
The fourth proportional to 470,982.19, 706,374.36 and 155,365.15 is: 233,015.09
Step by Step Solution
- Step 1: Write the proportion equation
470,982.19 : 706,374.36 = 155,365.15 : x - Step 2: Convert to fraction form
470,982.19/706,374.36 = 155,365.15/x - Step 3: Cross multiply
470,982.19x = 706,374.36 × 155,365.15 - Step 4: Simplify right side
470,982.19x = 109,745,958,397.55 - Step 5: Solve for x
x = 109,745,958,397.55/470,982.19 - Step 6: Final answer
x = 233,015.09
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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.