Finding the Fourth Proportional to 383,328.60, 528,994.02 and 213,568.68
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Solution
The fourth proportional to 383,328.60, 528,994.02 and 213,568.68 is: 294,725.09
Step by Step Solution
- Step 1: Write the proportion equation
383,328.60 : 528,994.02 = 213,568.68 : x - Step 2: Convert to fraction form
383,328.60/528,994.02 = 213,568.68/x - Step 3: Cross multiply
383,328.60x = 528,994.02 × 213,568.68 - Step 4: Simplify right side
383,328.60x = 112,976,554,579.29 - Step 5: Solve for x
x = 112,976,554,579.29/383,328.60 - Step 6: Final answer
x = 294,725.09
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.