Finding the Fourth Proportional to 532,820.68, 735,293.16 and 291,107.32
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Solution
The fourth proportional to 532,820.68, 735,293.16 and 291,107.32 is: 401,728.44
Step by Step Solution
- Step 1: Write the proportion equation
532,820.68 : 735,293.16 = 291,107.32 : x - Step 2: Convert to fraction form
532,820.68/735,293.16 = 291,107.32/x - Step 3: Cross multiply
532,820.68x = 735,293.16 × 291,107.32 - Step 4: Simplify right side
532,820.68x = 214,049,221,221.93 - Step 5: Solve for x
x = 214,049,221,221.93/532,820.68 - Step 6: Final answer
x = 401,728.44
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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.