Finding the Fourth Proportional to 226,579.08, 312,670.95 and 124,603.68
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Solution
The fourth proportional to 226,579.08, 312,670.95 and 124,603.68 is: 171,948.58
Step by Step Solution
- Step 1: Write the proportion equation
226,579.08 : 312,670.95 = 124,603.68 : x - Step 2: Convert to fraction form
226,579.08/312,670.95 = 124,603.68/x - Step 3: Cross multiply
226,579.08x = 312,670.95 × 124,603.68 - Step 4: Simplify right side
226,579.08x = 38,959,950,999.10 - Step 5: Solve for x
x = 38,959,950,999.10/226,579.08 - Step 6: Final answer
x = 171,948.58
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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.