Finding the Fourth Proportional to 242,721.68, 334,957.44 and 135,298.48
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Solution
The fourth proportional to 242,721.68, 334,957.44 and 135,298.48 is: 186,712.75
Step by Step Solution
- Step 1: Write the proportion equation
242,721.68 : 334,957.44 = 135,298.48 : x - Step 2: Convert to fraction form
242,721.68/334,957.44 = 135,298.48/x - Step 3: Cross multiply
242,721.68x = 334,957.44 × 135,298.48 - Step 4: Simplify right side
242,721.68x = 45,319,232,496.69 - Step 5: Solve for x
x = 45,319,232,496.69/242,721.68 - Step 6: Final answer
x = 186,712.75
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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.