Finding the Fourth Proportional to 628,518.79, 942,866.73 and 201,911.56
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Solution
The fourth proportional to 628,518.79, 942,866.73 and 201,911.56 is: 302,895.79
Step by Step Solution
- Step 1: Write the proportion equation
628,518.79 : 942,866.73 = 201,911.56 : x - Step 2: Convert to fraction form
628,518.79/942,866.73 = 201,911.56/x - Step 3: Cross multiply
628,518.79x = 942,866.73 × 201,911.56 - Step 4: Simplify right side
628,518.79x = 190,375,692,326.40 - Step 5: Solve for x
x = 190,375,692,326.40/628,518.79 - Step 6: Final answer
x = 302,895.79
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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.