Finding the Fourth Proportional to 342,221.13, 513,331.70 and 92,903.13
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Solution
The fourth proportional to 342,221.13, 513,331.70 and 92,903.13 is: 139,354.70
Step by Step Solution
- Step 1: Write the proportion equation
342,221.13 : 513,331.70 = 92,903.13 : x - Step 2: Convert to fraction form
342,221.13/513,331.70 = 92,903.13/x - Step 3: Cross multiply
342,221.13x = 513,331.70 × 92,903.13 - Step 4: Simplify right side
342,221.13x = 47,690,121,658.22 - Step 5: Solve for x
x = 47,690,121,658.22/342,221.13 - Step 6: Final answer
x = 139,354.70
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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.