Finding the Fourth Proportional to 472,239.05, 651,703.73 and 257,393.03
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Solution
The fourth proportional to 472,239.05, 651,703.73 and 257,393.03 is: 355,209.92
Step by Step Solution
- Step 1: Write the proportion equation
472,239.05 : 651,703.73 = 257,393.03 : x - Step 2: Convert to fraction form
472,239.05/651,703.73 = 257,393.03/x - Step 3: Cross multiply
472,239.05x = 651,703.73 × 257,393.03 - Step 4: Simplify right side
472,239.05x = 167,743,993,181.52 - Step 5: Solve for x
x = 167,743,993,181.52/472,239.05 - Step 6: Final answer
x = 355,209.92
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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.