Finding the Fourth Proportional to 436,377.64, 654,636.18 and 152,149.99
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Solution
The fourth proportional to 436,377.64, 654,636.18 and 152,149.99 is: 228,249.29
Step by Step Solution
- Step 1: Write the proportion equation
436,377.64 : 654,636.18 = 152,149.99 : x - Step 2: Convert to fraction form
436,377.64/654,636.18 = 152,149.99/x - Step 3: Cross multiply
436,377.64x = 654,636.18 × 152,149.99 - Step 4: Simplify right side
436,377.64x = 99,602,888,240.64 - Step 5: Solve for x
x = 99,602,888,240.64/436,377.64 - Step 6: Final answer
x = 228,249.29
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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.