Finding the Fourth Proportional to 320,024.20, 480,036.30 and 202,217.80
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Solution
The fourth proportional to 320,024.20, 480,036.30 and 202,217.80 is: 303,326.70
Step by Step Solution
- Step 1: Write the proportion equation
320,024.20 : 480,036.30 = 202,217.80 : x - Step 2: Convert to fraction form
320,024.20/480,036.30 = 202,217.80/x - Step 3: Cross multiply
320,024.20x = 480,036.30 × 202,217.80 - Step 4: Simplify right side
320,024.20x = 97,071,884,506.14 - Step 5: Solve for x
x = 97,071,884,506.14/320,024.20 - Step 6: Final answer
x = 303,326.70
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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.