Finding the Fourth Proportional to 242,165.79, 363,248.97 and 115,776.30
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Solution
The fourth proportional to 242,165.79, 363,248.97 and 115,776.30 is: 173,664.59
Step by Step Solution
- Step 1: Write the proportion equation
242,165.79 : 363,248.97 = 115,776.30 : x - Step 2: Convert to fraction form
242,165.79/363,248.97 = 115,776.30/x - Step 3: Cross multiply
242,165.79x = 363,248.97 × 115,776.30 - Step 4: Simplify right side
242,165.79x = 42,055,621,725.41 - Step 5: Solve for x
x = 42,055,621,725.41/242,165.79 - Step 6: Final answer
x = 173,664.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.