Finding the Fourth Proportional to 521,980.16, 782,876.36 and 237,604.55
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Solution
The fourth proportional to 521,980.16, 782,876.36 and 237,604.55 is: 356,364.09
Step by Step Solution
- Step 1: Write the proportion equation
521,980.16 : 782,876.36 = 237,604.55 : x - Step 2: Convert to fraction form
521,980.16/782,876.36 = 237,604.55/x - Step 3: Cross multiply
521,980.16x = 782,876.36 × 237,604.55 - Step 4: Simplify right side
521,980.16x = 186,014,980,566.54 - Step 5: Solve for x
x = 186,014,980,566.54/521,980.16 - Step 6: Final answer
x = 356,364.09
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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.