Finding the Fourth Proportional to 313,347.24, 432,428.04 and 170,116.62
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Solution
The fourth proportional to 313,347.24, 432,428.04 and 170,116.62 is: 234,765.74
Step by Step Solution
- Step 1: Write the proportion equation
313,347.24 : 432,428.04 = 170,116.62 : x - Step 2: Convert to fraction form
313,347.24/432,428.04 = 170,116.62/x - Step 3: Cross multiply
313,347.24x = 432,428.04 × 170,116.62 - Step 4: Simplify right side
313,347.24x = 73,563,196,558.02 - Step 5: Solve for x
x = 73,563,196,558.02/313,347.24 - Step 6: Final answer
x = 234,765.74
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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.