Finding the Fourth Proportional to 334,707.14, 502,060.68 and 85,389.14
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Solution
The fourth proportional to 334,707.14, 502,060.68 and 85,389.14 is: 128,083.70
Step by Step Solution
- Step 1: Write the proportion equation
334,707.14 : 502,060.68 = 85,389.14 : x - Step 2: Convert to fraction form
334,707.14/502,060.68 = 85,389.14/x - Step 3: Cross multiply
334,707.14x = 502,060.68 × 85,389.14 - Step 4: Simplify right side
334,707.14x = 42,870,529,693.02 - Step 5: Solve for x
x = 42,870,529,693.02/334,707.14 - Step 6: Final answer
x = 128,083.70
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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.