Finding the Fourth Proportional to 242,706.08, 334,935.95 and 135,282.93
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Solution
The fourth proportional to 242,706.08, 334,935.95 and 135,282.93 is: 186,691.30
Step by Step Solution
- Step 1: Write the proportion equation
242,706.08 : 334,935.95 = 135,282.93 : x - Step 2: Convert to fraction form
242,706.08/334,935.95 = 135,282.93/x - Step 3: Cross multiply
242,706.08x = 334,935.95 × 135,282.93 - Step 4: Simplify right side
242,706.08x = 45,311,114,327.24 - Step 5: Solve for x
x = 45,311,114,327.24/242,706.08 - Step 6: Final answer
x = 186,691.30
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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.