Finding the Fourth Proportional to 472,548.09, 708,725.47 and 135,498.45
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Solution
The fourth proportional to 472,548.09, 708,725.47 and 135,498.45 is: 203,219.95
Step by Step Solution
- Step 1: Write the proportion equation
472,548.09 : 708,725.47 = 135,498.45 : x - Step 2: Convert to fraction form
472,548.09/708,725.47 = 135,498.45/x - Step 3: Cross multiply
472,548.09x = 708,725.47 × 135,498.45 - Step 4: Simplify right side
472,548.09x = 96,031,198,439.40 - Step 5: Solve for x
x = 96,031,198,439.40/472,548.09 - Step 6: Final answer
x = 203,219.95
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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.