Finding the Fourth Proportional to 539,552.80, 809,795.70 and 207,362.08
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Solution
The fourth proportional to 539,552.80, 809,795.70 and 207,362.08 is: 311,222.41
Step by Step Solution
- Step 1: Write the proportion equation
539,552.80 : 809,795.70 = 207,362.08 : x - Step 2: Convert to fraction form
539,552.80/809,795.70 = 207,362.08/x - Step 3: Cross multiply
539,552.80x = 809,795.70 × 207,362.08 - Step 4: Simplify right side
539,552.80x = 167,920,920,727.06 - Step 5: Solve for x
x = 167,920,920,727.06/539,552.80 - Step 6: Final answer
x = 311,222.41
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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.