Finding the Fourth Proportional to 472,351.47, 708,680.21 and 282,782.19
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Solution
The fourth proportional to 472,351.47, 708,680.21 and 282,782.19 is: 424,264.88
Step by Step Solution
- Step 1: Write the proportion equation
472,351.47 : 708,680.21 = 282,782.19 : x - Step 2: Convert to fraction form
472,351.47/708,680.21 = 282,782.19/x - Step 3: Cross multiply
472,351.47x = 708,680.21 × 282,782.19 - Step 4: Simplify right side
472,351.47x = 200,402,140,379.55 - Step 5: Solve for x
x = 200,402,140,379.55/472,351.47 - Step 6: Final answer
x = 424,264.88
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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.