Finding the Fourth Proportional to 228,646.76, 342,355.74 and 186,353.48
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Solution
The fourth proportional to 228,646.76, 342,355.74 and 186,353.48 is: 279,029.47
Step by Step Solution
- Step 1: Write the proportion equation
228,646.76 : 342,355.74 = 186,353.48 : x - Step 2: Convert to fraction form
228,646.76/342,355.74 = 186,353.48/x - Step 3: Cross multiply
228,646.76x = 342,355.74 × 186,353.48 - Step 4: Simplify right side
228,646.76x = 63,799,183,546.98 - Step 5: Solve for x
x = 63,799,183,546.98/228,646.76 - Step 6: Final answer
x = 279,029.47
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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.