Finding the Fourth Proportional to 304,432.18, 420,110.10 and 168,466.03
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Solution
The fourth proportional to 304,432.18, 420,110.10 and 168,466.03 is: 232,479.63
Step by Step Solution
- Step 1: Write the proportion equation
304,432.18 : 420,110.10 = 168,466.03 : x - Step 2: Convert to fraction form
304,432.18/420,110.10 = 168,466.03/x - Step 3: Cross multiply
304,432.18x = 420,110.10 × 168,466.03 - Step 4: Simplify right side
304,432.18x = 70,774,279,659.63 - Step 5: Solve for x
x = 70,774,279,659.63/304,432.18 - Step 6: Final answer
x = 232,479.63
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.