Finding the Fourth Proportional to 315,497.70, 473,246.55 and 315,497.70
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Solution
The fourth proportional to 315,497.70, 473,246.55 and 315,497.70 is: 473,246.55
Step by Step Solution
- Step 1: Write the proportion equation
315,497.70 : 473,246.55 = 315,497.70 : x - Step 2: Convert to fraction form
315,497.70/473,246.55 = 315,497.70/x - Step 3: Cross multiply
315,497.70x = 473,246.55 × 315,497.70 - Step 4: Simplify right side
315,497.70x = 149,308,198,057.94 - Step 5: Solve for x
x = 149,308,198,057.94/315,497.70 - Step 6: Final answer
x = 473,246.55
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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.