Finding the Fourth Proportional to 225,011.84, 310,522.56 and 124,413.44
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Solution
The fourth proportional to 225,011.84, 310,522.56 and 124,413.44 is: 171,693.99
Step by Step Solution
- Step 1: Write the proportion equation
225,011.84 : 310,522.56 = 124,413.44 : x - Step 2: Convert to fraction form
225,011.84/310,522.56 = 124,413.44/x - Step 3: Cross multiply
225,011.84x = 310,522.56 × 124,413.44 - Step 4: Simplify right side
225,011.84x = 38,633,179,887.21 - Step 5: Solve for x
x = 38,633,179,887.21/225,011.84 - Step 6: Final answer
x = 171,693.99
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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.