Finding the Fourth Proportional to 251,030.99, 346,412.40 and 136,305.14
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Solution
The fourth proportional to 251,030.99, 346,412.40 and 136,305.14 is: 188,095.46
Step by Step Solution
- Step 1: Write the proportion equation
251,030.99 : 346,412.40 = 136,305.14 : x - Step 2: Convert to fraction form
251,030.99/346,412.40 = 136,305.14/x - Step 3: Cross multiply
251,030.99x = 346,412.40 × 136,305.14 - Step 4: Simplify right side
251,030.99x = 47,217,790,679.74 - Step 5: Solve for x
x = 47,217,790,679.74/251,030.99 - Step 6: Final answer
x = 188,095.46
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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.