Finding the Fourth Proportional to 313,330.01, 432,395.96 and 170,090.15
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Solution
The fourth proportional to 313,330.01, 432,395.96 and 170,090.15 is: 234,724.70
Step by Step Solution
- Step 1: Write the proportion equation
313,330.01 : 432,395.96 = 170,090.15 : x - Step 2: Convert to fraction form
313,330.01/432,395.96 = 170,090.15/x - Step 3: Cross multiply
313,330.01x = 432,395.96 × 170,090.15 - Step 4: Simplify right side
313,330.01x = 73,546,290,683.36 - Step 5: Solve for x
x = 73,546,290,683.36/313,330.01 - Step 6: Final answer
x = 234,724.70
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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.