Finding the Fourth Proportional to 207,246.16, 285,998.60 and 117,822.80
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Solution
The fourth proportional to 207,246.16, 285,998.60 and 117,822.80 is: 162,594.84
Step by Step Solution
- Step 1: Write the proportion equation
207,246.16 : 285,998.60 = 117,822.80 : x - Step 2: Convert to fraction form
207,246.16/285,998.60 = 117,822.80/x - Step 3: Cross multiply
207,246.16x = 285,998.60 × 117,822.80 - Step 4: Simplify right side
207,246.16x = 33,697,155,848.08 - Step 5: Solve for x
x = 33,697,155,848.08/207,246.16 - Step 6: Final answer
x = 162,594.84
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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.