Finding the Fourth Proportional to 343,257.70, 514,886.55 and 343,257.70
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Solution
The fourth proportional to 343,257.70, 514,886.55 and 343,257.70 is: 514,886.55
Step by Step Solution
- Step 1: Write the proportion equation
343,257.70 : 514,886.55 = 343,257.70 : x - Step 2: Convert to fraction form
343,257.70/514,886.55 = 343,257.70/x - Step 3: Cross multiply
343,257.70x = 514,886.55 × 343,257.70 - Step 4: Simplify right side
343,257.70x = 176,738,772,913.94 - Step 5: Solve for x
x = 176,738,772,913.94/343,257.70 - Step 6: Final answer
x = 514,886.55
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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.