Finding the Fourth Proportional to 426,518.96, 639,780.24 and 110,953.08
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Solution
The fourth proportional to 426,518.96, 639,780.24 and 110,953.08 is: 166,430.09
Step by Step Solution
- Step 1: Write the proportion equation
426,518.96 : 639,780.24 = 110,953.08 : x - Step 2: Convert to fraction form
426,518.96/639,780.24 = 110,953.08/x - Step 3: Cross multiply
426,518.96x = 639,780.24 × 110,953.08 - Step 4: Simplify right side
426,518.96x = 70,985,588,151.14 - Step 5: Solve for x
x = 70,985,588,151.14/426,518.96 - Step 6: Final answer
x = 166,430.09
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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.