Finding the Fourth Proportional to 328,554.70, 460,909.70 and 328,554.70
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Solution
The fourth proportional to 328,554.70, 460,909.70 and 328,554.70 is: 460,909.70
Step by Step Solution
- Step 1: Write the proportion equation
328,554.70 : 460,909.70 = 328,554.70 : x - Step 2: Convert to fraction form
328,554.70/460,909.70 = 328,554.70/x - Step 3: Cross multiply
328,554.70x = 460,909.70 × 328,554.70 - Step 4: Simplify right side
328,554.70x = 151,434,048,210.59 - Step 5: Solve for x
x = 151,434,048,210.59/328,554.70 - Step 6: Final answer
x = 460,909.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.