Finding the Fourth Proportional to 460,062.45, 690,264.99 and 207,267.12
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Solution
The fourth proportional to 460,062.45, 690,264.99 and 207,267.12 is: 310,977.86
Step by Step Solution
- Step 1: Write the proportion equation
460,062.45 : 690,264.99 = 207,267.12 : x - Step 2: Convert to fraction form
460,062.45/690,264.99 = 207,267.12/x - Step 3: Cross multiply
460,062.45x = 690,264.99 × 207,267.12 - Step 4: Simplify right side
460,062.45x = 143,069,236,514.13 - Step 5: Solve for x
x = 143,069,236,514.13/460,062.45 - Step 6: Final answer
x = 310,977.86
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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.