Finding the Fourth Proportional to 304,855.40, 457,283.10 and 94,557.80
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Solution
The fourth proportional to 304,855.40, 457,283.10 and 94,557.80 is: 141,836.70
Step by Step Solution
- Step 1: Write the proportion equation
304,855.40 : 457,283.10 = 94,557.80 : x - Step 2: Convert to fraction form
304,855.40/457,283.10 = 94,557.80/x - Step 3: Cross multiply
304,855.40x = 457,283.10 × 94,557.80 - Step 4: Simplify right side
304,855.40x = 43,239,683,913.18 - Step 5: Solve for x
x = 43,239,683,913.18/304,855.40 - Step 6: Final answer
x = 141,836.70
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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.