Finding the Fourth Proportional to 371,267.60, 512,350.80 and 201,501.92
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Solution
The fourth proportional to 371,267.60, 512,350.80 and 201,501.92 is: 278,073.47
Step by Step Solution
- Step 1: Write the proportion equation
371,267.60 : 512,350.80 = 201,501.92 : x - Step 2: Convert to fraction form
371,267.60/512,350.80 = 201,501.92/x - Step 3: Cross multiply
371,267.60x = 512,350.80 × 201,501.92 - Step 4: Simplify right side
371,267.60x = 103,239,669,913.54 - Step 5: Solve for x
x = 103,239,669,913.54/371,267.60 - Step 6: Final answer
x = 278,073.47
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1.5x scale
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.