Finding the Fourth Proportional to 343,200.90, 514,869.99 and 118,569.54
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Solution
The fourth proportional to 343,200.90, 514,869.99 and 118,569.54 is: 177,878.02
Step by Step Solution
- Step 1: Write the proportion equation
343,200.90 : 514,869.99 = 118,569.54 : x - Step 2: Convert to fraction form
343,200.90/514,869.99 = 118,569.54/x - Step 3: Cross multiply
343,200.90x = 514,869.99 × 118,569.54 - Step 4: Simplify right side
343,200.90x = 61,047,897,874.10 - Step 5: Solve for x
x = 61,047,897,874.10/343,200.90 - Step 6: Final answer
x = 177,878.02
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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.