Finding the Fourth Proportional to 282,548.84, 423,851.24 and 90,374.99
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Solution
The fourth proportional to 282,548.84, 423,851.24 and 90,374.99 is: 135,571.43
Step by Step Solution
- Step 1: Write the proportion equation
282,548.84 : 423,851.24 = 90,374.99 : x - Step 2: Convert to fraction form
282,548.84/423,851.24 = 90,374.99/x - Step 3: Cross multiply
282,548.84x = 423,851.24 × 90,374.99 - Step 4: Simplify right side
282,548.84x = 38,305,549,683.17 - Step 5: Solve for x
x = 38,305,549,683.17/282,548.84 - Step 6: Final answer
x = 135,571.43
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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.