Finding the Fourth Proportional to 542,006.40, 812,134.80 and 341,968.80
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Solution
The fourth proportional to 542,006.40, 812,134.80 and 341,968.80 is: 512,401.26
Step by Step Solution
- Step 1: Write the proportion equation
542,006.40 : 812,134.80 = 341,968.80 : x - Step 2: Convert to fraction form
542,006.40/812,134.80 = 341,968.80/x - Step 3: Cross multiply
542,006.40x = 812,134.80 × 341,968.80 - Step 4: Simplify right side
542,006.40x = 277,724,762,994.24 - Step 5: Solve for x
x = 277,724,762,994.24/542,006.40 - Step 6: Final answer
x = 512,401.26
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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.