Finding the Fourth Proportional to 288,215.75, 432,587.30 and 146,159.08
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Solution
The fourth proportional to 288,215.75, 432,587.30 and 146,159.08 is: 219,372.33
Step by Step Solution
- Step 1: Write the proportion equation
288,215.75 : 432,587.30 = 146,159.08 : x - Step 2: Convert to fraction form
288,215.75/432,587.30 = 146,159.08/x - Step 3: Cross multiply
288,215.75x = 432,587.30 × 146,159.08 - Step 4: Simplify right side
288,215.75x = 63,226,559,975.42 - Step 5: Solve for x
x = 63,226,559,975.42/288,215.75 - Step 6: Final answer
x = 219,372.33
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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.