Finding the Fourth Proportional to 472,063.02, 651,438.68 and 257,204.62
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Solution
The fourth proportional to 472,063.02, 651,438.68 and 257,204.62 is: 354,937.86
Step by Step Solution
- Step 1: Write the proportion equation
472,063.02 : 651,438.68 = 257,204.62 : x - Step 2: Convert to fraction form
472,063.02/651,438.68 = 257,204.62/x - Step 3: Cross multiply
472,063.02x = 651,438.68 × 257,204.62 - Step 4: Simplify right side
472,063.02x = 167,553,038,142.70 - Step 5: Solve for x
x = 167,553,038,142.70/472,063.02 - Step 6: Final answer
x = 354,937.86
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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.