Finding the Fourth Proportional to 903,369.78, 1,355,053.59 and 272,283.53
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Solution
The fourth proportional to 903,369.78, 1,355,053.59 and 272,283.53 is: 408,424.96
Step by Step Solution
- Step 1: Write the proportion equation
903,369.78 : 1,355,053.59 = 272,283.53 : x - Step 2: Convert to fraction form
903,369.78/1,355,053.59 = 272,283.53/x - Step 3: Cross multiply
903,369.78x = 1,355,053.59 × 272,283.53 - Step 4: Simplify right side
903,369.78x = 368,958,768,049.11 - Step 5: Solve for x
x = 368,958,768,049.11/903,369.78 - Step 6: Final answer
x = 408,424.96
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.