Finding the Fourth Proportional to 436,166.53, 654,248.98 and 136,670.05
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Solution
The fourth proportional to 436,166.53, 654,248.98 and 136,670.05 is: 205,004.82
Step by Step Solution
- Step 1: Write the proportion equation
436,166.53 : 654,248.98 = 136,670.05 : x - Step 2: Convert to fraction form
436,166.53/654,248.98 = 136,670.05/x - Step 3: Cross multiply
436,166.53x = 654,248.98 × 136,670.05 - Step 4: Simplify right side
436,166.53x = 89,416,239,344.26 - Step 5: Solve for x
x = 89,416,239,344.26/436,166.53 - Step 6: Final answer
x = 205,004.82
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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.