Finding the Fourth Proportional to 313,316.76, 432,365.58 and 170,073.66
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Solution
The fourth proportional to 313,316.76, 432,365.58 and 170,073.66 is: 234,695.38
Step by Step Solution
- Step 1: Write the proportion equation
313,316.76 : 432,365.58 = 170,073.66 : x - Step 2: Convert to fraction form
313,316.76/432,365.58 = 170,073.66/x - Step 3: Cross multiply
313,316.76x = 432,365.58 × 170,073.66 - Step 4: Simplify right side
313,316.76x = 73,533,996,648.62 - Step 5: Solve for x
x = 73,533,996,648.62/313,316.76 - Step 6: Final answer
x = 234,695.38
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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.