Finding the Fourth Proportional to 546,072.60, 819,108.90 and 357,115.80
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Solution
The fourth proportional to 546,072.60, 819,108.90 and 357,115.80 is: 535,673.70
Step by Step Solution
- Step 1: Write the proportion equation
546,072.60 : 819,108.90 = 357,115.80 : x - Step 2: Convert to fraction form
546,072.60/819,108.90 = 357,115.80/x - Step 3: Cross multiply
546,072.60x = 819,108.90 × 357,115.80 - Step 4: Simplify right side
546,072.60x = 292,516,730,110.62 - Step 5: Solve for x
x = 292,516,730,110.62/546,072.60 - Step 6: Final answer
x = 535,673.70
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1.5x scale
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.