Finding the Fourth Proportional to 606,709.40, 910,078.19 and 157,447.99
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Solution
The fourth proportional to 606,709.40, 910,078.19 and 157,447.99 is: 236,175.63
Step by Step Solution
- Step 1: Write the proportion equation
606,709.40 : 910,078.19 = 157,447.99 : x - Step 2: Convert to fraction form
606,709.40/910,078.19 = 157,447.99/x - Step 3: Cross multiply
606,709.40x = 910,078.19 × 157,447.99 - Step 4: Simplify right side
606,709.40x = 143,289,976,420.71 - Step 5: Solve for x
x = 143,289,976,420.71/606,709.40 - Step 6: Final answer
x = 236,175.63
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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.