Finding the Fourth Proportional to 148,111.79, 221,651.00 and 121,146.08
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Solution
The fourth proportional to 148,111.79, 221,651.00 and 121,146.08 is: 181,296.50
Step by Step Solution
- Step 1: Write the proportion equation
148,111.79 : 221,651.00 = 121,146.08 : x - Step 2: Convert to fraction form
148,111.79/221,651.00 = 121,146.08/x - Step 3: Cross multiply
148,111.79x = 221,651.00 × 121,146.08 - Step 4: Simplify right side
148,111.79x = 26,852,148,064.09 - Step 5: Solve for x
x = 26,852,148,064.09/148,111.79 - Step 6: Final answer
x = 181,296.50
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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.