Finding the Fourth Proportional to 430,582.41, 645,872.97 and 146,302.53
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Solution
The fourth proportional to 430,582.41, 645,872.97 and 146,302.53 is: 219,453.58
Step by Step Solution
- Step 1: Write the proportion equation
430,582.41 : 645,872.97 = 146,302.53 : x - Step 2: Convert to fraction form
430,582.41/645,872.97 = 146,302.53/x - Step 3: Cross multiply
430,582.41x = 645,872.97 × 146,302.53 - Step 4: Simplify right side
430,582.41x = 94,492,849,569.61 - Step 5: Solve for x
x = 94,492,849,569.61/430,582.41 - Step 6: Final answer
x = 219,453.58
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.