Finding the Fourth Proportional to 236,398.14, 326,221.95 and 134,434.68
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Solution
The fourth proportional to 236,398.14, 326,221.95 and 134,434.68 is: 185,515.60
Step by Step Solution
- Step 1: Write the proportion equation
236,398.14 : 326,221.95 = 134,434.68 : x - Step 2: Convert to fraction form
236,398.14/326,221.95 = 134,434.68/x - Step 3: Cross multiply
236,398.14x = 326,221.95 × 134,434.68 - Step 4: Simplify right side
236,398.14x = 43,855,543,457.23 - Step 5: Solve for x
x = 43,855,543,457.23/236,398.14 - Step 6: Final answer
x = 185,515.60
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.