Finding the Fourth Proportional to 319,177.01, 440,464.17 and 175,939.45
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Solution
The fourth proportional to 319,177.01, 440,464.17 and 175,939.45 is: 242,796.38
Step by Step Solution
- Step 1: Write the proportion equation
319,177.01 : 440,464.17 = 175,939.45 : x - Step 2: Convert to fraction form
319,177.01/440,464.17 = 175,939.45/x - Step 3: Cross multiply
319,177.01x = 440,464.17 × 175,939.45 - Step 4: Simplify right side
319,177.01x = 77,495,021,612.19 - Step 5: Solve for x
x = 77,495,021,612.19/319,177.01 - Step 6: Final answer
x = 242,796.38
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1.5x scale
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.