Finding the Fourth Proportional to 152,441.28, 228,268.08 and 105,202.08
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Solution
The fourth proportional to 152,441.28, 228,268.08 and 105,202.08 is: 157,531.32
Step by Step Solution
- Step 1: Write the proportion equation
152,441.28 : 228,268.08 = 105,202.08 : x - Step 2: Convert to fraction form
152,441.28/228,268.08 = 105,202.08/x - Step 3: Cross multiply
152,441.28x = 228,268.08 × 105,202.08 - Step 4: Simplify right side
152,441.28x = 24,014,276,813.61 - Step 5: Solve for x
x = 24,014,276,813.61/152,441.28 - Step 6: Final answer
x = 157,531.32
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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.