Finding the Fourth Proportional to 575,491.60, 863,302.20 and 176,129.20
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Solution
The fourth proportional to 575,491.60, 863,302.20 and 176,129.20 is: 264,213.63
Step by Step Solution
- Step 1: Write the proportion equation
575,491.60 : 863,302.20 = 176,129.20 : x - Step 2: Convert to fraction form
575,491.60/863,302.20 = 176,129.20/x - Step 3: Cross multiply
575,491.60x = 863,302.20 × 176,129.20 - Step 4: Simplify right side
575,491.60x = 152,052,725,844.24 - Step 5: Solve for x
x = 152,052,725,844.24/575,491.60 - Step 6: Final answer
x = 264,213.63
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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.