Finding the Fourth Proportional to 347,088.24, 520,712.58 and 147,415.14
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Solution
The fourth proportional to 347,088.24, 520,712.58 and 147,415.14 is: 221,156.78
Step by Step Solution
- Step 1: Write the proportion equation
347,088.24 : 520,712.58 = 147,415.14 : x - Step 2: Convert to fraction form
347,088.24/520,712.58 = 147,415.14/x - Step 3: Cross multiply
347,088.24x = 520,712.58 × 147,415.14 - Step 4: Simplify right side
347,088.24x = 76,760,917,880.46 - Step 5: Solve for x
x = 76,760,917,880.46/347,088.24 - Step 6: Final answer
x = 221,156.78
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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.