Finding the Fourth Proportional to 532,879.76, 735,352.20 and 291,170.63
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Solution
The fourth proportional to 532,879.76, 735,352.20 and 291,170.63 is: 401,803.52
Step by Step Solution
- Step 1: Write the proportion equation
532,879.76 : 735,352.20 = 291,170.63 : x - Step 2: Convert to fraction form
532,879.76/735,352.20 = 291,170.63/x - Step 3: Cross multiply
532,879.76x = 735,352.20 × 291,170.63 - Step 4: Simplify right side
532,879.76x = 214,112,959,669.13 - Step 5: Solve for x
x = 214,112,959,669.13/532,879.76 - Step 6: Final answer
x = 401,803.52
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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.