Finding the Fourth Proportional to 472,601.10, 652,197.87 and 257,749.02
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Solution
The fourth proportional to 472,601.10, 652,197.87 and 257,749.02 is: 355,698.20
Step by Step Solution
- Step 1: Write the proportion equation
472,601.10 : 652,197.87 = 257,749.02 : x - Step 2: Convert to fraction form
472,601.10/652,197.87 = 257,749.02/x - Step 3: Cross multiply
472,601.10x = 652,197.87 × 257,749.02 - Step 4: Simplify right side
472,601.10x = 168,103,361,838.59 - Step 5: Solve for x
x = 168,103,361,838.59/472,601.10 - Step 6: Final answer
x = 355,698.20
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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.