Finding the Fourth Proportional to 142,468.74, 213,644.70 and 63,529.02
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Solution
The fourth proportional to 142,468.74, 213,644.70 and 63,529.02 is: 95,267.48
Step by Step Solution
- Step 1: Write the proportion equation
142,468.74 : 213,644.70 = 63,529.02 : x - Step 2: Convert to fraction form
142,468.74/213,644.70 = 63,529.02/x - Step 3: Cross multiply
142,468.74x = 213,644.70 × 63,529.02 - Step 4: Simplify right side
142,468.74x = 13,572,638,419.19 - Step 5: Solve for x
x = 13,572,638,419.19/142,468.74 - Step 6: Final answer
x = 95,267.48
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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.