Finding the Fourth Proportional to 267,618.08, 403,855.28 and 258,694.88
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Solution
The fourth proportional to 267,618.08, 403,855.28 and 258,694.88 is: 390,389.52
Step by Step Solution
- Step 1: Write the proportion equation
267,618.08 : 403,855.28 = 258,694.88 : x - Step 2: Convert to fraction form
267,618.08/403,855.28 = 258,694.88/x - Step 3: Cross multiply
267,618.08x = 403,855.28 × 258,694.88 - Step 4: Simplify right side
267,618.08x = 104,475,293,196.97 - Step 5: Solve for x
x = 104,475,293,196.97/267,618.08 - Step 6: Final answer
x = 390,389.52
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.