Finding the Fourth Proportional to 606,135.30, 909,312.30 and 305,860.20
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Solution
The fourth proportional to 606,135.30, 909,312.30 and 305,860.20 is: 458,845.48
Step by Step Solution
- Step 1: Write the proportion equation
606,135.30 : 909,312.30 = 305,860.20 : x - Step 2: Convert to fraction form
606,135.30/909,312.30 = 305,860.20/x - Step 3: Cross multiply
606,135.30x = 909,312.30 × 305,860.20 - Step 4: Simplify right side
606,135.30x = 278,122,441,940.46 - Step 5: Solve for x
x = 278,122,441,940.46/606,135.30 - Step 6: Final answer
x = 458,845.48
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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.