Finding the Fourth Proportional to 288,765.66, 432,303.84 and 168,454.74
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Solution
The fourth proportional to 288,765.66, 432,303.84 and 168,454.74 is: 252,189.37
Step by Step Solution
- Step 1: Write the proportion equation
288,765.66 : 432,303.84 = 168,454.74 : x - Step 2: Convert to fraction form
288,765.66/432,303.84 = 168,454.74/x - Step 3: Cross multiply
288,765.66x = 432,303.84 × 168,454.74 - Step 4: Simplify right side
288,765.66x = 72,823,630,968.20 - Step 5: Solve for x
x = 72,823,630,968.20/288,765.66 - Step 6: Final answer
x = 252,189.37
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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.