Finding the Fourth Proportional to 782,509.98, 1,173,811.05 and 221,497.50
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Solution
The fourth proportional to 782,509.98, 1,173,811.05 and 221,497.50 is: 332,259.29
Step by Step Solution
- Step 1: Write the proportion equation
782,509.98 : 1,173,811.05 = 221,497.50 : x - Step 2: Convert to fraction form
782,509.98/1,173,811.05 = 221,497.50/x - Step 3: Cross multiply
782,509.98x = 1,173,811.05 × 221,497.50 - Step 4: Simplify right side
782,509.98x = 259,996,213,047.38 - Step 5: Solve for x
x = 259,996,213,047.38/782,509.98 - Step 6: Final answer
x = 332,259.29
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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.