Finding the Fourth Proportional to 351,798.24, 527,721.84 and 141,436.32
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Solution
The fourth proportional to 351,798.24, 527,721.84 and 141,436.32 is: 212,164.32
Step by Step Solution
- Step 1: Write the proportion equation
351,798.24 : 527,721.84 = 141,436.32 : x - Step 2: Convert to fraction form
351,798.24/527,721.84 = 141,436.32/x - Step 3: Cross multiply
351,798.24x = 527,721.84 × 141,436.32 - Step 4: Simplify right side
351,798.24x = 74,639,035,033.23 - Step 5: Solve for x
x = 74,639,035,033.23/351,798.24 - Step 6: Final answer
x = 212,164.32
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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.