Finding the Fourth Proportional to 343,177.35, 514,800.23 and 143,560.23
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Solution
The fourth proportional to 343,177.35, 514,800.23 and 143,560.23 is: 215,354.65
Step by Step Solution
- Step 1: Write the proportion equation
343,177.35 : 514,800.23 = 143,560.23 : x - Step 2: Convert to fraction form
343,177.35/514,800.23 = 143,560.23/x - Step 3: Cross multiply
343,177.35x = 514,800.23 × 143,560.23 - Step 4: Simplify right side
343,177.35x = 73,904,838,705.05 - Step 5: Solve for x
x = 73,904,838,705.05/343,177.35 - Step 6: Final answer
x = 215,354.65
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1.5x scale
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.