Finding the Fourth Proportional to 678,590.52, 1,017,877.14 and 166,260.84
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Solution
The fourth proportional to 678,590.52, 1,017,877.14 and 166,260.84 is: 249,389.14
Step by Step Solution
- Step 1: Write the proportion equation
678,590.52 : 1,017,877.14 = 166,260.84 : x - Step 2: Convert to fraction form
678,590.52/1,017,877.14 = 166,260.84/x - Step 3: Cross multiply
678,590.52x = 1,017,877.14 × 166,260.84 - Step 4: Simplify right side
678,590.52x = 169,233,108,313.20 - Step 5: Solve for x
x = 169,233,108,313.20/678,590.52 - Step 6: Final answer
x = 249,389.14
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1.5x scale
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.