Finding the Fourth Proportional to 343,979.76, 515,972.52 and 94,675.44
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Solution
The fourth proportional to 343,979.76, 515,972.52 and 94,675.44 is: 142,013.95
Step by Step Solution
- Step 1: Write the proportion equation
343,979.76 : 515,972.52 = 94,675.44 : x - Step 2: Convert to fraction form
343,979.76/515,972.52 = 94,675.44/x - Step 3: Cross multiply
343,979.76x = 515,972.52 × 94,675.44 - Step 4: Simplify right side
343,979.76x = 48,849,925,358.91 - Step 5: Solve for x
x = 48,849,925,358.91/343,979.76 - Step 6: Final answer
x = 142,013.95
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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.