Finding the Fourth Proportional to 615,252.20, 923,627.10 and 349,197.80
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Solution
The fourth proportional to 615,252.20, 923,627.10 and 349,197.80 is: 524,221.70
Step by Step Solution
- Step 1: Write the proportion equation
615,252.20 : 923,627.10 = 349,197.80 : x - Step 2: Convert to fraction form
615,252.20/923,627.10 = 349,197.80/x - Step 3: Cross multiply
615,252.20x = 923,627.10 × 349,197.80 - Step 4: Simplify right side
615,252.20x = 322,528,551,340.38 - Step 5: Solve for x
x = 322,528,551,340.38/615,252.20 - Step 6: Final answer
x = 524,221.70
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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.