Finding the Fourth Proportional to 242,705.08, 334,934.57 and 135,281.93
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Solution
The fourth proportional to 242,705.08, 334,934.57 and 135,281.93 is: 186,689.92
Step by Step Solution
- Step 1: Write the proportion equation
242,705.08 : 334,934.57 = 135,281.93 : x - Step 2: Convert to fraction form
242,705.08/334,934.57 = 135,281.93/x - Step 3: Cross multiply
242,705.08x = 334,934.57 × 135,281.93 - Step 4: Simplify right side
242,705.08x = 45,310,592,702.24 - Step 5: Solve for x
x = 45,310,592,702.24/242,705.08 - Step 6: Final answer
x = 186,689.92
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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.