Finding the Fourth Proportional to 319,177.16, 440,464.08 and 175,939.59
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Solution
The fourth proportional to 319,177.16, 440,464.08 and 175,939.59 is: 242,796.42
Step by Step Solution
- Step 1: Write the proportion equation
319,177.16 : 440,464.08 = 175,939.59 : x - Step 2: Convert to fraction form
319,177.16/440,464.08 = 175,939.59/x - Step 3: Cross multiply
319,177.16x = 440,464.08 × 175,939.59 - Step 4: Simplify right side
319,177.16x = 77,495,070,966.78 - Step 5: Solve for x
x = 77,495,070,966.78/319,177.16 - Step 6: Final answer
x = 242,796.42
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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.