Finding the Fourth Proportional to 153,042.84, 229,485.24 and 68,730.75
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Solution
The fourth proportional to 153,042.84, 229,485.24 and 68,730.75 is: 103,060.64
Step by Step Solution
- Step 1: Write the proportion equation
153,042.84 : 229,485.24 = 68,730.75 : x - Step 2: Convert to fraction form
153,042.84/229,485.24 = 68,730.75/x - Step 3: Cross multiply
153,042.84x = 229,485.24 × 68,730.75 - Step 4: Simplify right side
153,042.84x = 15,772,692,659.13 - Step 5: Solve for x
x = 15,772,692,659.13/153,042.84 - Step 6: Final answer
x = 103,060.64
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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.