Finding the Fourth Proportional to 464,551.35, 640,402.31 and 328,344.99
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Solution
The fourth proportional to 464,551.35, 640,402.31 and 328,344.99 is: 452,636.48
Step by Step Solution
- Step 1: Write the proportion equation
464,551.35 : 640,402.31 = 328,344.99 : x - Step 2: Convert to fraction form
464,551.35/640,402.31 = 328,344.99/x - Step 3: Cross multiply
464,551.35x = 640,402.31 × 328,344.99 - Step 4: Simplify right side
464,551.35x = 210,272,890,072.93 - Step 5: Solve for x
x = 210,272,890,072.93/464,551.35 - Step 6: Final answer
x = 452,636.48
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.