Finding the Fourth Proportional to 446,916.71, 616,737.69 and 242,972.70
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Solution
The fourth proportional to 446,916.71, 616,737.69 and 242,972.70 is: 335,298.32
Step by Step Solution
- Step 1: Write the proportion equation
446,916.71 : 616,737.69 = 242,972.70 : x - Step 2: Convert to fraction form
446,916.71/616,737.69 = 242,972.70/x - Step 3: Cross multiply
446,916.71x = 616,737.69 × 242,972.70 - Step 4: Simplify right side
446,916.71x = 149,850,421,731.06 - Step 5: Solve for x
x = 149,850,421,731.06/446,916.71 - Step 6: Final answer
x = 335,298.32
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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.