Finding the Fourth Proportional to 409,209.65, 564,737.70 and 248,071.49
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Solution
The fourth proportional to 409,209.65, 564,737.70 and 248,071.49 is: 342,355.86
Step by Step Solution
- Step 1: Write the proportion equation
409,209.65 : 564,737.70 = 248,071.49 : x - Step 2: Convert to fraction form
409,209.65/564,737.70 = 248,071.49/x - Step 3: Cross multiply
409,209.65x = 564,737.70 × 248,071.49 - Step 4: Simplify right side
409,209.65x = 140,095,318,634.13 - Step 5: Solve for x
x = 140,095,318,634.13/409,209.65 - Step 6: Final answer
x = 342,355.86
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.