Finding the Fourth Proportional to 272,980.35, 376,707.71 and 152,118.99
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Solution
The fourth proportional to 272,980.35, 376,707.71 and 152,118.99 is: 209,921.32
Step by Step Solution
- Step 1: Write the proportion equation
272,980.35 : 376,707.71 = 152,118.99 : x - Step 2: Convert to fraction form
272,980.35/376,707.71 = 152,118.99/x - Step 3: Cross multiply
272,980.35x = 376,707.71 × 152,118.99 - Step 4: Simplify right side
272,980.35x = 57,304,395,609.82 - Step 5: Solve for x
x = 57,304,395,609.82/272,980.35 - Step 6: Final answer
x = 209,921.32
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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.