Finding the Fourth Proportional to 352,491.08, 528,756.93 and 99,750.42
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Solution
The fourth proportional to 352,491.08, 528,756.93 and 99,750.42 is: 149,631.38
Step by Step Solution
- Step 1: Write the proportion equation
352,491.08 : 528,756.93 = 99,750.42 : x - Step 2: Convert to fraction form
352,491.08/528,756.93 = 99,750.42/x - Step 3: Cross multiply
352,491.08x = 528,756.93 × 99,750.42 - Step 4: Simplify right side
352,491.08x = 52,743,725,845.41 - Step 5: Solve for x
x = 52,743,725,845.41/352,491.08 - Step 6: Final answer
x = 149,631.38
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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.