Finding the Fourth Proportional to 375,771.72, 518,563.05 and 203,689.02
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Solution
The fourth proportional to 375,771.72, 518,563.05 and 203,689.02 is: 281,089.80
Step by Step Solution
- Step 1: Write the proportion equation
375,771.72 : 518,563.05 = 203,689.02 : x - Step 2: Convert to fraction form
375,771.72/518,563.05 = 203,689.02/x - Step 3: Cross multiply
375,771.72x = 518,563.05 × 203,689.02 - Step 4: Simplify right side
375,771.72x = 105,625,599,462.71 - Step 5: Solve for x
x = 105,625,599,462.71/375,771.72 - Step 6: Final answer
x = 281,089.80
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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.