Finding the Fourth Proportional to 628,332.60, 942,455.70 and 201,862.20
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Solution
The fourth proportional to 628,332.60, 942,455.70 and 201,862.20 is: 302,779.42
Step by Step Solution
- Step 1: Write the proportion equation
628,332.60 : 942,455.70 = 201,862.20 : x - Step 2: Convert to fraction form
628,332.60/942,455.70 = 201,862.20/x - Step 3: Cross multiply
628,332.60x = 942,455.70 × 201,862.20 - Step 4: Simplify right side
628,332.60x = 190,246,181,004.54 - Step 5: Solve for x
x = 190,246,181,004.54/628,332.60 - Step 6: Final answer
x = 302,779.42
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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.