Finding the Fourth Proportional to 492,709.80, 739,064.70 and 177,125.70
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Solution
The fourth proportional to 492,709.80, 739,064.70 and 177,125.70 is: 265,688.55
Step by Step Solution
- Step 1: Write the proportion equation
492,709.80 : 739,064.70 = 177,125.70 : x - Step 2: Convert to fraction form
492,709.80/739,064.70 = 177,125.70/x - Step 3: Cross multiply
492,709.80x = 739,064.70 × 177,125.70 - Step 4: Simplify right side
492,709.80x = 130,907,352,332.79 - Step 5: Solve for x
x = 130,907,352,332.79/492,709.80 - Step 6: Final answer
x = 265,688.55
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1.5x scale
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.