Finding the Fourth Proportional to 548,657.74, 823,134.52 and 228,703.28
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Solution
The fourth proportional to 548,657.74, 823,134.52 and 228,703.28 is: 343,116.58
Step by Step Solution
- Step 1: Write the proportion equation
548,657.74 : 823,134.52 = 228,703.28 : x - Step 2: Convert to fraction form
548,657.74/823,134.52 = 228,703.28/x - Step 3: Cross multiply
548,657.74x = 823,134.52 × 228,703.28 - Step 4: Simplify right side
548,657.74x = 188,253,564,605.23 - Step 5: Solve for x
x = 188,253,564,605.23/548,657.74 - Step 6: Final answer
x = 343,116.58
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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.