Finding the Fourth Proportional to 549,486.21, 824,347.67 and 170,399.28
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Solution
The fourth proportional to 549,486.21, 824,347.67 and 170,399.28 is: 255,635.62
Step by Step Solution
- Step 1: Write the proportion equation
549,486.21 : 824,347.67 = 170,399.28 : x - Step 2: Convert to fraction form
549,486.21/824,347.67 = 170,399.28/x - Step 3: Cross multiply
549,486.21x = 824,347.67 × 170,399.28 - Step 4: Simplify right side
549,486.21x = 140,468,248,585.68 - Step 5: Solve for x
x = 140,468,248,585.68/549,486.21 - Step 6: Final answer
x = 255,635.62
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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.