Finding the Fourth Proportional to 149,528.67, 224,108.31 and 128,319.63
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Solution
The fourth proportional to 149,528.67, 224,108.31 and 128,319.63 is: 192,320.95
Step by Step Solution
- Step 1: Write the proportion equation
149,528.67 : 224,108.31 = 128,319.63 : x - Step 2: Convert to fraction form
149,528.67/224,108.31 = 128,319.63/x - Step 3: Cross multiply
149,528.67x = 224,108.31 × 128,319.63 - Step 4: Simplify right side
149,528.67x = 28,757,495,419.13 - Step 5: Solve for x
x = 28,757,495,419.13/149,528.67 - Step 6: Final answer
x = 192,320.95
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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.