Finding the Fourth Proportional to 286,518.19, 429,186.64 and 167,829.70
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Solution
The fourth proportional to 286,518.19, 429,186.64 and 167,829.70 is: 251,398.58
Step by Step Solution
- Step 1: Write the proportion equation
286,518.19 : 429,186.64 = 167,829.70 : x - Step 2: Convert to fraction form
286,518.19/429,186.64 = 167,829.70/x - Step 3: Cross multiply
286,518.19x = 429,186.64 × 167,829.70 - Step 4: Simplify right side
286,518.19x = 72,030,265,035.21 - Step 5: Solve for x
x = 72,030,265,035.21/286,518.19 - Step 6: Final answer
x = 251,398.58
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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.