Finding the Fourth Proportional to 355,404.62, 533,134.98 and 118,748.12
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Solution
The fourth proportional to 355,404.62, 533,134.98 and 118,748.12 is: 178,131.55
Step by Step Solution
- Step 1: Write the proportion equation
355,404.62 : 533,134.98 = 118,748.12 : x - Step 2: Convert to fraction form
355,404.62/533,134.98 = 118,748.12/x - Step 3: Cross multiply
355,404.62x = 533,134.98 × 118,748.12 - Step 4: Simplify right side
355,404.62x = 63,308,776,581.24 - Step 5: Solve for x
x = 63,308,776,581.24/355,404.62 - Step 6: Final answer
x = 178,131.55
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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.