Finding the Fourth Proportional to 470,265.19, 705,394.01 and 279,461.95
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Solution
The fourth proportional to 470,265.19, 705,394.01 and 279,461.95 is: 419,190.68
Step by Step Solution
- Step 1: Write the proportion equation
470,265.19 : 705,394.01 = 279,461.95 : x - Step 2: Convert to fraction form
470,265.19/705,394.01 = 279,461.95/x - Step 3: Cross multiply
470,265.19x = 705,394.01 × 279,461.95 - Step 4: Simplify right side
470,265.19x = 197,130,784,155.61 - Step 5: Solve for x
x = 197,130,784,155.61/470,265.19 - Step 6: Final answer
x = 419,190.68
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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.