Finding the Fourth Proportional to 655,145.19, 904,027.08 and 368,763.75
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Solution
The fourth proportional to 655,145.19, 904,027.08 and 368,763.75 is: 508,852.73
Step by Step Solution
- Step 1: Write the proportion equation
655,145.19 : 904,027.08 = 368,763.75 : x - Step 2: Convert to fraction form
655,145.19/904,027.08 = 368,763.75/x - Step 3: Cross multiply
655,145.19x = 904,027.08 × 368,763.75 - Step 4: Simplify right side
655,145.19x = 333,372,416,122.35 - Step 5: Solve for x
x = 333,372,416,122.35/655,145.19 - Step 6: Final answer
x = 508,852.73
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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.