Finding the Fourth Proportional to 230,885.42, 346,437.68 and 159,917.18
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Solution
The fourth proportional to 230,885.42, 346,437.68 and 159,917.18 is: 239,951.65
Step by Step Solution
- Step 1: Write the proportion equation
230,885.42 : 346,437.68 = 159,917.18 : x - Step 2: Convert to fraction form
230,885.42/346,437.68 = 159,917.18/x - Step 3: Cross multiply
230,885.42x = 346,437.68 × 159,917.18 - Step 4: Simplify right side
230,885.42x = 55,401,335,498.95 - Step 5: Solve for x
x = 55,401,335,498.95/230,885.42 - Step 6: Final answer
x = 239,951.65
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1.5x scale
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.