Finding the Fourth Proportional to 352,855.80, 526,616.94 and 318,805.08
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Solution
The fourth proportional to 352,855.80, 526,616.94 and 318,805.08 is: 475,798.20
Step by Step Solution
- Step 1: Write the proportion equation
352,855.80 : 526,616.94 = 318,805.08 : x - Step 2: Convert to fraction form
352,855.80/526,616.94 = 318,805.08/x - Step 3: Cross multiply
352,855.80x = 526,616.94 × 318,805.08 - Step 4: Simplify right side
352,855.80x = 167,888,155,686.06 - Step 5: Solve for x
x = 167,888,155,686.06/352,855.80 - Step 6: Final answer
x = 475,798.20
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.