Finding the Fourth Proportional to 272,987.56, 376,672.98 and 152,125.84
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Solution
The fourth proportional to 272,987.56, 376,672.98 and 152,125.84 is: 209,905.88
Step by Step Solution
- Step 1: Write the proportion equation
272,987.56 : 376,672.98 = 152,125.84 : x - Step 2: Convert to fraction form
272,987.56/376,672.98 = 152,125.84/x - Step 3: Cross multiply
272,987.56x = 376,672.98 × 152,125.84 - Step 4: Simplify right side
272,987.56x = 57,301,693,487.80 - Step 5: Solve for x
x = 57,301,693,487.80/272,987.56 - Step 6: Final answer
x = 209,905.88
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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.