Finding the Fourth Proportional to 370,014.84, 555,021.36 and 145,218.06
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Solution
The fourth proportional to 370,014.84, 555,021.36 and 145,218.06 is: 217,826.74
Step by Step Solution
- Step 1: Write the proportion equation
370,014.84 : 555,021.36 = 145,218.06 : x - Step 2: Convert to fraction form
370,014.84/555,021.36 = 145,218.06/x - Step 3: Cross multiply
370,014.84x = 555,021.36 × 145,218.06 - Step 4: Simplify right side
370,014.84x = 80,599,125,157.76 - Step 5: Solve for x
x = 80,599,125,157.76/370,014.84 - Step 6: Final answer
x = 217,826.74
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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.