Finding the Fourth Proportional to 352,075.47, 485,855.59 and 201,162.75
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Solution
The fourth proportional to 352,075.47, 485,855.59 and 201,162.75 is: 277,599.70
Step by Step Solution
- Step 1: Write the proportion equation
352,075.47 : 485,855.59 = 201,162.75 : x - Step 2: Convert to fraction form
352,075.47/485,855.59 = 201,162.75/x - Step 3: Cross multiply
352,075.47x = 485,855.59 × 201,162.75 - Step 4: Simplify right side
352,075.47x = 97,736,046,587.27 - Step 5: Solve for x
x = 97,736,046,587.27/352,075.47 - Step 6: Final answer
x = 277,599.70
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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.