Finding the Fourth Proportional to 867,636.79, 1,301,416.84 and 236,550.67
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Solution
The fourth proportional to 867,636.79, 1,301,416.84 and 236,550.67 is: 354,815.55
Step by Step Solution
- Step 1: Write the proportion equation
867,636.79 : 1,301,416.84 = 236,550.67 : x - Step 2: Convert to fraction form
867,636.79/1,301,416.84 = 236,550.67/x - Step 3: Cross multiply
867,636.79x = 1,301,416.84 × 236,550.67 - Step 4: Simplify right side
867,636.79x = 307,851,025,451.28 - Step 5: Solve for x
x = 307,851,025,451.28/867,636.79 - Step 6: Final answer
x = 354,815.55
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1.5x scale
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.