Finding the Fourth Proportional to 228,875.80, 343,313.70 and 104,459.80
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Solution
The fourth proportional to 228,875.80, 343,313.70 and 104,459.80 is: 156,689.70
Step by Step Solution
- Step 1: Write the proportion equation
228,875.80 : 343,313.70 = 104,459.80 : x - Step 2: Convert to fraction form
228,875.80/343,313.70 = 104,459.80/x - Step 3: Cross multiply
228,875.80x = 343,313.70 × 104,459.80 - Step 4: Simplify right side
228,875.80x = 35,862,480,439.26 - Step 5: Solve for x
x = 35,862,480,439.26/228,875.80 - Step 6: Final answer
x = 156,689.70
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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.