Finding the Fourth Proportional to 655,272.74, 904,178.85 and 368,775.74
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Solution
The fourth proportional to 655,272.74, 904,178.85 and 368,775.74 is: 508,855.63
Step by Step Solution
- Step 1: Write the proportion equation
655,272.74 : 904,178.85 = 368,775.74 : x - Step 2: Convert to fraction form
655,272.74/904,178.85 = 368,775.74/x - Step 3: Cross multiply
655,272.74x = 904,178.85 × 368,775.74 - Step 4: Simplify right side
655,272.74x = 333,439,224,501.10 - Step 5: Solve for x
x = 333,439,224,501.10/655,272.74 - Step 6: Final answer
x = 508,855.63
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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.