Finding the Fourth Proportional to 207,005.70, 310,508.55 and 207,005.70
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Solution
The fourth proportional to 207,005.70, 310,508.55 and 207,005.70 is: 310,508.55
Step by Step Solution
- Step 1: Write the proportion equation
207,005.70 : 310,508.55 = 207,005.70 : x - Step 2: Convert to fraction form
207,005.70/310,508.55 = 207,005.70/x - Step 3: Cross multiply
207,005.70x = 310,508.55 × 207,005.70 - Step 4: Simplify right side
207,005.70x = 64,277,039,748.74 - Step 5: Solve for x
x = 64,277,039,748.74/207,005.70 - Step 6: Final answer
x = 310,508.55
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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.