Finding the Fourth Proportional to 463,895.28, 640,115.73 and 272,838.96
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Solution
The fourth proportional to 463,895.28, 640,115.73 and 272,838.96 is: 376,482.62
Step by Step Solution
- Step 1: Write the proportion equation
463,895.28 : 640,115.73 = 272,838.96 : x - Step 2: Convert to fraction form
463,895.28/640,115.73 = 272,838.96/x - Step 3: Cross multiply
463,895.28x = 640,115.73 × 272,838.96 - Step 4: Simplify right side
463,895.28x = 174,648,510,052.84 - Step 5: Solve for x
x = 174,648,510,052.84/463,895.28 - Step 6: Final answer
x = 376,482.62
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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.