Finding the Fourth Proportional to 372,444.08, 513,971.88 and 202,678.16
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Solution
The fourth proportional to 372,444.08, 513,971.88 and 202,678.16 is: 279,695.34
Step by Step Solution
- Step 1: Write the proportion equation
372,444.08 : 513,971.88 = 202,678.16 : x - Step 2: Convert to fraction form
372,444.08/513,971.88 = 202,678.16/x - Step 3: Cross multiply
372,444.08x = 513,971.88 × 202,678.16 - Step 4: Simplify right side
372,444.08x = 104,170,874,930.14 - Step 5: Solve for x
x = 104,170,874,930.14/372,444.08 - Step 6: Final answer
x = 279,695.34
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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.