Finding the Fourth Proportional to 438,113.14, 657,279.06 and 122,567.68
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Solution
The fourth proportional to 438,113.14, 657,279.06 and 122,567.68 is: 183,882.11
Step by Step Solution
- Step 1: Write the proportion equation
438,113.14 : 657,279.06 = 122,567.68 : x - Step 2: Convert to fraction form
438,113.14/657,279.06 = 122,567.68/x - Step 3: Cross multiply
438,113.14x = 657,279.06 × 122,567.68 - Step 4: Simplify right side
438,113.14x = 80,561,169,496.78 - Step 5: Solve for x
x = 80,561,169,496.78/438,113.14 - Step 6: Final answer
x = 183,882.11
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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.