Finding the Fourth Proportional to 320,024.70, 480,037.05 and 202,218.30
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Solution
The fourth proportional to 320,024.70, 480,037.05 and 202,218.30 is: 303,327.45
Step by Step Solution
- Step 1: Write the proportion equation
320,024.70 : 480,037.05 = 202,218.30 : x - Step 2: Convert to fraction form
320,024.70/480,037.05 = 202,218.30/x - Step 3: Cross multiply
320,024.70x = 480,037.05 × 202,218.30 - Step 4: Simplify right side
320,024.70x = 97,072,276,188.02 - Step 5: Solve for x
x = 97,072,276,188.02/320,024.70 - Step 6: Final answer
x = 303,327.45
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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.