Finding the Fourth Proportional to 471,402.18, 651,296.09 and 328,798.85
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Solution
The fourth proportional to 471,402.18, 651,296.09 and 328,798.85 is: 454,273.26
Step by Step Solution
- Step 1: Write the proportion equation
471,402.18 : 651,296.09 = 328,798.85 : x - Step 2: Convert to fraction form
471,402.18/651,296.09 = 328,798.85/x - Step 3: Cross multiply
471,402.18x = 651,296.09 × 328,798.85 - Step 4: Simplify right side
471,402.18x = 214,145,402,967.01 - Step 5: Solve for x
x = 214,145,402,967.01/471,402.18 - Step 6: Final answer
x = 454,273.26
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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.