Finding the Fourth Proportional to 228,088.11, 314,748.81 and 126,107.63
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Solution
The fourth proportional to 228,088.11, 314,748.81 and 126,107.63 is: 174,021.46
Step by Step Solution
- Step 1: Write the proportion equation
228,088.11 : 314,748.81 = 126,107.63 : x - Step 2: Convert to fraction form
228,088.11/314,748.81 = 126,107.63/x - Step 3: Cross multiply
228,088.11x = 314,748.81 × 126,107.63 - Step 4: Simplify right side
228,088.11x = 39,692,224,900.68 - Step 5: Solve for x
x = 39,692,224,900.68/228,088.11 - Step 6: Final answer
x = 174,021.46
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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.