Finding the Fourth Proportional to 239,089.08, 358,519.20 and 139,277.76
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Solution
The fourth proportional to 239,089.08, 358,519.20 and 139,277.76 is: 208,849.99
Step by Step Solution
- Step 1: Write the proportion equation
239,089.08 : 358,519.20 = 139,277.76 : x - Step 2: Convert to fraction form
239,089.08/358,519.20 = 139,277.76/x - Step 3: Cross multiply
239,089.08x = 358,519.20 × 139,277.76 - Step 4: Simplify right side
239,089.08x = 49,933,751,092.99 - Step 5: Solve for x
x = 49,933,751,092.99/239,089.08 - Step 6: Final answer
x = 208,849.99
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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.