Finding the Fourth Proportional to 319,882.42, 441,437.88 and 176,652.19
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Solution
The fourth proportional to 319,882.42, 441,437.88 and 176,652.19 is: 243,780.10
Step by Step Solution
- Step 1: Write the proportion equation
319,882.42 : 441,437.88 = 176,652.19 : x - Step 2: Convert to fraction form
319,882.42/441,437.88 = 176,652.19/x - Step 3: Cross multiply
319,882.42x = 441,437.88 × 176,652.19 - Step 4: Simplify right side
319,882.42x = 77,980,968,250.96 - Step 5: Solve for x
x = 77,980,968,250.96/319,882.42 - Step 6: Final answer
x = 243,780.10
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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.