Finding the Fourth Proportional to 447,116.08, 616,968.44 and 256,118.08
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Solution
The fourth proportional to 447,116.08, 616,968.44 and 256,118.08 is: 353,413.31
Step by Step Solution
- Step 1: Write the proportion equation
447,116.08 : 616,968.44 = 256,118.08 : x - Step 2: Convert to fraction form
447,116.08/616,968.44 = 256,118.08/x - Step 3: Cross multiply
447,116.08x = 616,968.44 × 256,118.08 - Step 4: Simplify right side
447,116.08x = 158,016,772,273.40 - Step 5: Solve for x
x = 158,016,772,273.40/447,116.08 - Step 6: Final answer
x = 353,413.31
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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.