Finding the Fourth Proportional to 611,140.18, 843,360.74 and 339,192.12
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Solution
The fourth proportional to 611,140.18, 843,360.74 and 339,192.12 is: 468,078.07
Step by Step Solution
- Step 1: Write the proportion equation
611,140.18 : 843,360.74 = 339,192.12 : x - Step 2: Convert to fraction form
611,140.18/843,360.74 = 339,192.12/x - Step 3: Cross multiply
611,140.18x = 843,360.74 × 339,192.12 - Step 4: Simplify right side
611,140.18x = 286,061,317,325.37 - Step 5: Solve for x
x = 286,061,317,325.37/611,140.18 - Step 6: Final answer
x = 468,078.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.