Finding the Fourth Proportional to 436,376.64, 654,634.68 and 152,148.99
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Solution
The fourth proportional to 436,376.64, 654,634.68 and 152,148.99 is: 228,247.79
Step by Step Solution
- Step 1: Write the proportion equation
436,376.64 : 654,634.68 = 152,148.99 : x - Step 2: Convert to fraction form
436,376.64/654,634.68 = 152,148.99/x - Step 3: Cross multiply
436,376.64x = 654,634.68 × 152,148.99 - Step 4: Simplify right side
436,376.64x = 99,602,005,380.97 - Step 5: Solve for x
x = 99,602,005,380.97/436,376.64 - Step 6: Final answer
x = 228,247.79
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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.