Finding the Fourth Proportional to 288,421.09, 432,902.99 and 146,368.33
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Solution
The fourth proportional to 288,421.09, 432,902.99 and 146,368.33 is: 219,690.20
Step by Step Solution
- Step 1: Write the proportion equation
288,421.09 : 432,902.99 = 146,368.33 : x - Step 2: Convert to fraction form
288,421.09/432,902.99 = 146,368.33/x - Step 3: Cross multiply
288,421.09x = 432,902.99 × 146,368.33 - Step 4: Simplify right side
288,421.09x = 63,363,287,698.31 - Step 5: Solve for x
x = 63,363,287,698.31/288,421.09 - Step 6: Final answer
x = 219,690.20
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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.