Finding the Fourth Proportional to 352,621.68, 528,932.52 and 103,303.68
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Solution
The fourth proportional to 352,621.68, 528,932.52 and 103,303.68 is: 154,955.52
Step by Step Solution
- Step 1: Write the proportion equation
352,621.68 : 528,932.52 = 103,303.68 : x - Step 2: Convert to fraction form
352,621.68/528,932.52 = 103,303.68/x - Step 3: Cross multiply
352,621.68x = 528,932.52 × 103,303.68 - Step 4: Simplify right side
352,621.68x = 54,640,675,787.67 - Step 5: Solve for x
x = 54,640,675,787.67/352,621.68 - Step 6: Final answer
x = 154,955.52
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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.