Finding the Fourth Proportional to 619,678.24, 929,405.52 and 164,272.48
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Solution
The fourth proportional to 619,678.24, 929,405.52 and 164,272.48 is: 246,379.07
Step by Step Solution
- Step 1: Write the proportion equation
619,678.24 : 929,405.52 = 164,272.48 : x - Step 2: Convert to fraction form
619,678.24/929,405.52 = 164,272.48/x - Step 3: Cross multiply
619,678.24x = 929,405.52 × 164,272.48 - Step 4: Simplify right side
619,678.24x = 152,675,749,696.09 - Step 5: Solve for x
x = 152,675,749,696.09/619,678.24 - Step 6: Final answer
x = 246,379.07
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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.