Finding the Fourth Proportional to 355,389.68, 533,005.76 and 102,615.18
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Solution
The fourth proportional to 355,389.68, 533,005.76 and 102,615.18 is: 153,900.03
Step by Step Solution
- Step 1: Write the proportion equation
355,389.68 : 533,005.76 = 102,615.18 : x - Step 2: Convert to fraction form
355,389.68/533,005.76 = 102,615.18/x - Step 3: Cross multiply
355,389.68x = 533,005.76 × 102,615.18 - Step 4: Simplify right side
355,389.68x = 54,694,482,003.44 - Step 5: Solve for x
x = 54,694,482,003.44/355,389.68 - Step 6: Final answer
x = 153,900.03
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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.