Finding the Fourth Proportional to 293,445.60, 439,658.10 and 135,349.80
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Solution
The fourth proportional to 293,445.60, 439,658.10 and 135,349.80 is: 202,789.33
Step by Step Solution
- Step 1: Write the proportion equation
293,445.60 : 439,658.10 = 135,349.80 : x - Step 2: Convert to fraction form
293,445.60/439,658.10 = 135,349.80/x - Step 3: Cross multiply
293,445.60x = 439,658.10 × 135,349.80 - Step 4: Simplify right side
293,445.60x = 59,507,635,903.38 - Step 5: Solve for x
x = 59,507,635,903.38/293,445.60 - Step 6: Final answer
x = 202,789.33
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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.