Finding the Fourth Proportional to 283,802.70, 425,898.45 and 157,442.70
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Solution
The fourth proportional to 283,802.70, 425,898.45 and 157,442.70 is: 236,271.90
Step by Step Solution
- Step 1: Write the proportion equation
283,802.70 : 425,898.45 = 157,442.70 : x - Step 2: Convert to fraction form
283,802.70/425,898.45 = 157,442.70/x - Step 3: Cross multiply
283,802.70x = 425,898.45 × 157,442.70 - Step 4: Simplify right side
283,802.70x = 67,054,601,893.82 - Step 5: Solve for x
x = 67,054,601,893.82/283,802.70 - Step 6: Final answer
x = 236,271.90
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1.5x scale
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.