Finding the Fourth Proportional to 473,989.40, 654,107.68 and 259,129.46
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Solution
The fourth proportional to 473,989.40, 654,107.68 and 259,129.46 is: 357,599.92
Step by Step Solution
- Step 1: Write the proportion equation
473,989.40 : 654,107.68 = 259,129.46 : x - Step 2: Convert to fraction form
473,989.40/654,107.68 = 259,129.46/x - Step 3: Cross multiply
473,989.40x = 654,107.68 × 259,129.46 - Step 4: Simplify right side
473,989.40x = 169,498,569,900.25 - Step 5: Solve for x
x = 169,498,569,900.25/473,989.40 - Step 6: Final answer
x = 357,599.92
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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.