Finding the Fourth Proportional to 539,554.80, 809,798.70 and 207,364.08
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Solution
The fourth proportional to 539,554.80, 809,798.70 and 207,364.08 is: 311,225.41
Step by Step Solution
- Step 1: Write the proportion equation
539,554.80 : 809,798.70 = 207,364.08 : x - Step 2: Convert to fraction form
539,554.80/809,798.70 = 207,364.08/x - Step 3: Cross multiply
539,554.80x = 809,798.70 × 207,364.08 - Step 4: Simplify right side
539,554.80x = 167,923,162,410.70 - Step 5: Solve for x
x = 167,923,162,410.70/539,554.80 - Step 6: Final answer
x = 311,225.41
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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.