Finding the Fourth Proportional to 319,038.84, 440,270.01 and 181,216.80
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Solution
The fourth proportional to 319,038.84, 440,270.01 and 181,216.80 is: 250,077.15
Step by Step Solution
- Step 1: Write the proportion equation
319,038.84 : 440,270.01 = 181,216.80 : x - Step 2: Convert to fraction form
319,038.84/440,270.01 = 181,216.80/x - Step 3: Cross multiply
319,038.84x = 440,270.01 × 181,216.80 - Step 4: Simplify right side
319,038.84x = 79,784,322,348.17 - Step 5: Solve for x
x = 79,784,322,348.17/319,038.84 - Step 6: Final answer
x = 250,077.15
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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.