Finding the Fourth Proportional to 207,000.70, 310,501.07 and 207,000.70
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Solution
The fourth proportional to 207,000.70, 310,501.07 and 207,000.70 is: 310,501.07
Step by Step Solution
- Step 1: Write the proportion equation
207,000.70 : 310,501.07 = 207,000.70 : x - Step 2: Convert to fraction form
207,000.70/310,501.07 = 207,000.70/x - Step 3: Cross multiply
207,000.70x = 310,501.07 × 207,000.70 - Step 4: Simplify right side
207,000.70x = 64,273,938,840.75 - Step 5: Solve for x
x = 64,273,938,840.75/207,000.70 - Step 6: Final answer
x = 310,501.07
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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.