Finding the Fourth Proportional to 207,346.04, 285,875.97 and 135,612.44
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Solution
The fourth proportional to 207,346.04, 285,875.97 and 135,612.44 is: 186,974.09
Step by Step Solution
- Step 1: Write the proportion equation
207,346.04 : 285,875.97 = 135,612.44 : x - Step 2: Convert to fraction form
207,346.04/285,875.97 = 135,612.44/x - Step 3: Cross multiply
207,346.04x = 285,875.97 × 135,612.44 - Step 4: Simplify right side
207,346.04x = 38,768,337,829.07 - Step 5: Solve for x
x = 38,768,337,829.07/207,346.04 - Step 6: Final answer
x = 186,974.09
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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.