Finding the Fourth Proportional to 628,085.19, 942,110.02 and 201,617.70
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Solution
The fourth proportional to 628,085.19, 942,110.02 and 201,617.70 is: 302,420.85
Step by Step Solution
- Step 1: Write the proportion equation
628,085.19 : 942,110.02 = 201,617.70 : x - Step 2: Convert to fraction form
628,085.19/942,110.02 = 201,617.70/x - Step 3: Cross multiply
628,085.19x = 942,110.02 × 201,617.70 - Step 4: Simplify right side
628,085.19x = 189,946,055,379.35 - Step 5: Solve for x
x = 189,946,055,379.35/628,085.19 - Step 6: Final answer
x = 302,420.85
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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.