Finding the Fourth Proportional to 514,523.08, 709,815.67 and 310,460.18
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Solution
The fourth proportional to 514,523.08, 709,815.67 and 310,460.18 is: 428,298.58
Step by Step Solution
- Step 1: Write the proportion equation
514,523.08 : 709,815.67 = 310,460.18 : x - Step 2: Convert to fraction form
514,523.08/709,815.67 = 310,460.18/x - Step 3: Cross multiply
514,523.08x = 709,815.67 × 310,460.18 - Step 4: Simplify right side
514,523.08x = 220,369,500,675.02 - Step 5: Solve for x
x = 220,369,500,675.02/514,523.08 - Step 6: Final answer
x = 428,298.58
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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.