Finding the Fourth Proportional to 382,859.76, 574,417.52 and 169,598.70
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Solution
The fourth proportional to 382,859.76, 574,417.52 and 169,598.70 is: 254,454.70
Step by Step Solution
- Step 1: Write the proportion equation
382,859.76 : 574,417.52 = 169,598.70 : x - Step 2: Convert to fraction form
382,859.76/574,417.52 = 169,598.70/x - Step 3: Cross multiply
382,859.76x = 574,417.52 × 169,598.70 - Step 4: Simplify right side
382,859.76x = 97,420,464,649.22 - Step 5: Solve for x
x = 97,420,464,649.22/382,859.76 - Step 6: Final answer
x = 254,454.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.