Finding the Fourth Proportional to 345,031.99, 517,568.65 and 108,374.66
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Solution
The fourth proportional to 345,031.99, 517,568.65 and 108,374.66 is: 162,568.48
Step by Step Solution
- Step 1: Write the proportion equation
345,031.99 : 517,568.65 = 108,374.66 : x - Step 2: Convert to fraction form
345,031.99/517,568.65 = 108,374.66/x - Step 3: Cross multiply
345,031.99x = 517,568.65 × 108,374.66 - Step 4: Simplify right side
345,031.99x = 56,091,325,552.51 - Step 5: Solve for x
x = 56,091,325,552.51/345,031.99 - Step 6: Final answer
x = 162,568.48
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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.