Finding the Fourth Proportional to 430,204.08, 644,724.84 and 163,819.32
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Solution
The fourth proportional to 430,204.08, 644,724.84 and 163,819.32 is: 245,507.63
Step by Step Solution
- Step 1: Write the proportion equation
430,204.08 : 644,724.84 = 163,819.32 : x - Step 2: Convert to fraction form
430,204.08/644,724.84 = 163,819.32/x - Step 3: Cross multiply
430,204.08x = 644,724.84 × 163,819.32 - Step 4: Simplify right side
430,204.08x = 105,618,384,875.91 - Step 5: Solve for x
x = 105,618,384,875.91/430,204.08 - Step 6: Final answer
x = 245,507.63
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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.