Finding the Fourth Proportional to 283,790.70, 425,880.45 and 157,430.70
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Solution
The fourth proportional to 283,790.70, 425,880.45 and 157,430.70 is: 236,253.89
Step by Step Solution
- Step 1: Write the proportion equation
283,790.70 : 425,880.45 = 157,430.70 : x - Step 2: Convert to fraction form
283,790.70/425,880.45 = 157,430.70/x - Step 3: Cross multiply
283,790.70x = 425,880.45 × 157,430.70 - Step 4: Simplify right side
283,790.70x = 67,046,657,359.82 - Step 5: Solve for x
x = 67,046,657,359.82/283,790.70 - Step 6: Final answer
x = 236,253.89
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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.