Finding the Fourth Proportional to 313,416.74, 432,503.35 and 170,173.71
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Solution
The fourth proportional to 313,416.74, 432,503.35 and 170,173.71 is: 234,833.34
Step by Step Solution
- Step 1: Write the proportion equation
313,416.74 : 432,503.35 = 170,173.71 : x - Step 2: Convert to fraction form
313,416.74/432,503.35 = 170,173.71/x - Step 3: Cross multiply
313,416.74x = 432,503.35 × 170,173.71 - Step 4: Simplify right side
313,416.74x = 73,600,699,231.49 - Step 5: Solve for x
x = 73,600,699,231.49/313,416.74 - Step 6: Final answer
x = 234,833.34
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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.