Finding the Fourth Proportional to 355,419.36, 533,156.60 and 118,762.88
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Solution
The fourth proportional to 355,419.36, 533,156.60 and 118,762.88 is: 178,153.53
Step by Step Solution
- Step 1: Write the proportion equation
355,419.36 : 533,156.60 = 118,762.88 : x - Step 2: Convert to fraction form
355,419.36/533,156.60 = 118,762.88/x - Step 3: Cross multiply
355,419.36x = 533,156.60 × 118,762.88 - Step 4: Simplify right side
355,419.36x = 63,319,213,307.01 - Step 5: Solve for x
x = 63,319,213,307.01/355,419.36 - Step 6: Final answer
x = 178,153.53
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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.