Finding the Fourth Proportional to 184,021.47, 253,917.99 and 103,437.81
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Solution
The fourth proportional to 184,021.47, 253,917.99 and 103,437.81 is: 142,726.39
Step by Step Solution
- Step 1: Write the proportion equation
184,021.47 : 253,917.99 = 103,437.81 : x - Step 2: Convert to fraction form
184,021.47/253,917.99 = 103,437.81/x - Step 3: Cross multiply
184,021.47x = 253,917.99 × 103,437.81 - Step 4: Simplify right side
184,021.47x = 26,264,720,805.20 - Step 5: Solve for x
x = 26,264,720,805.20/184,021.47 - Step 6: Final answer
x = 142,726.39
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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.