Finding the Fourth Proportional to 293,140.36, 439,370.64 and 135,036.68
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Solution
The fourth proportional to 293,140.36, 439,370.64 and 135,036.68 is: 202,398.44
Step by Step Solution
- Step 1: Write the proportion equation
293,140.36 : 439,370.64 = 135,036.68 : x - Step 2: Convert to fraction form
293,140.36/439,370.64 = 135,036.68/x - Step 3: Cross multiply
293,140.36x = 439,370.64 × 135,036.68 - Step 4: Simplify right side
293,140.36x = 59,331,152,515.08 - Step 5: Solve for x
x = 59,331,152,515.08/293,140.36 - Step 6: Final answer
x = 202,398.44
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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.