Finding the Fourth Proportional to 408,995.62, 564,267.87 and 236,819.59
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Solution
The fourth proportional to 408,995.62, 564,267.87 and 236,819.59 is: 326,726.45
Step by Step Solution
- Step 1: Write the proportion equation
408,995.62 : 564,267.87 = 236,819.59 : x - Step 2: Convert to fraction form
408,995.62/564,267.87 = 236,819.59/x - Step 3: Cross multiply
408,995.62x = 564,267.87 × 236,819.59 - Step 4: Simplify right side
408,995.62x = 133,629,685,623.57 - Step 5: Solve for x
x = 133,629,685,623.57/408,995.62 - Step 6: Final answer
x = 326,726.45
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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.